| **Business Acquisitions and Noncontrolling Interests - Narrative (Details) $ in Thousands** |          |          | 1 Months Ended  | 3 Months Ended |         |           |
|---------------------------------------------------------------------------------------------|----------|----------|-----------------|----------------|---------|-----------|
||
| **Business Acquisition [Line Items]**                                                       |     |     |            |           |    |      |   |
| Goodwill                                                                                    |     |     |            | $ 504,755      |    | $ 506,265 |   |
| Accretion of contingent liability                                                           |     |     |            | 33             |    |      |   |
| TDC Filter Manufacturing, Inc. [Member]                                                     |     |     |            |           |    |      |   |
| **Business Acquisition [Line Items]**                                                       |     |     |            |           |    |      |   |
| Purchase price                                                                              | $ 10,914 |     |            |           |    |      |   |
| Customer relationships                                                                      | 3,200    |     |            |           |    |      |   |
| Inventory                                                                                   | 2,657    |     |            |           |    |      |   |
| Machinery and equipment                                                                     | 1,959    |     |            |           |    |      |   |
| Goodwill                                                                                    | $ 3,446  |     |            |           |    |      |   |
| Filter Resources, Inc. [Member]                                                             |     |     |            |           |    |      |   |
| **Business Acquisition [Line Items]**                                                       |     |     |            |           |    |      |   |
| Inventory                                                                                   |     | $ 2,042  |            |           |    |      |   |
| Machinery and equipment                                                                     |     | 574      |            |           |    |      |   |
| Goodwill                                                                                    |     | $ 11,938 |            |           |    |      |   |
| Percentage of outstanding shares acquired                                                   |     | 100.00%  |            |           |    |      |   |
| Gross payments made to acquire business                                                     |     | $ 21,861 |            |           |    |      |   |
| Assumed long-term debt                                                                      |     | $ 1,250  |            |           |    |      |   |
| Number of employees in acquired business | employee                                         |     | 75       |            |           |    |      |   |
| Face value of contingent liability                                                          |     | $ 1,154  |            | $ 1,317        |    |      |   |
| Contingent consideration face value                                                         |     | $ 1,350  |            |           |    |      |   |
| SINFA [Member]                                                                              |     |     |            |           |    |      |   |
| **Business Acquisition [Line Items]**                                                       |     |     |            |           |    |      |   |
| Effective date of acquisition                                                               |     |     | Mar.  07,  2007 |           |    |      |   |
| Noncontrolling interest, ownership percentage by parent                                     |     |     |            |           |    |      | 80.00% |
| Name of acquired entity                                                                     |     |     | Sinfa SA        |           |    |      |   |
| Noncontrolling interest, ownership percentage by noncontrolling owners                      |     |     |            |           | 20.00%  |      | 20.00% |
| Payments to noncontrolling interest                                                         |     |     |            |           | $ 1,239 |      |   |

| X                                                                                                                                                                                                                                                                                                   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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Business Acquisition, Acquired Workforce, Number of Employees
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| - Definition
Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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| - Definition
Name of the acquired entity.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage of voting equity interests acquired at the acquisition date in the business combination.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.
+ References
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| - Definition
Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of liability recognized arising from contingent consideration in a business combination.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of identifiable intangible assets recognized as of the acquisition date.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of inventory recognized as of the acquisition date.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of property, plant, and equipment recognized as of the acquisition date.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.
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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.
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No definition available.
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| - Definition
The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.
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