| **Acquisitions (Detail) - USD ($) $ in Thousands**    |           | 6 Months Ended |
|-------------------------------------------------------|-----------|----------------|
||
| **Business Acquisition [Line Items]**                 |      |           |   |
| Acquisition of businesses, net of cash acquired       |      | $ 171,613      | $ 0 |
| NDC Technologies                                      |      |           |   |
| **Business Acquisition [Line Items]**                 |      |           |   |
| Acquired percent of the outstanding shares            | 100.00%   |           |   |
| Acquisition of businesses, net of cash acquired       | $ 171,613 |           |   |
| Cash acquired from business acquisition               | 7,533     |           |   |
| Other working capital adjustments                     | 2,763     |           |   |
| Assets acquired, liabilities assumed, and goodwill    | 129,856   |           |   |
| Identifiable intangible assets                        | 31,130    |           |   |
| Goodwill, expected tax deductible amount              | 73,300    |           |   |
| NDC Technologies | Trade name                         |      |           |   |
| **Business Acquisition [Line Items]**                 |      |           |   |
| Identifiable intangible assets                        | $ 10,800  |           |   |
| Intangible assets amortization period                 | 13 years  |           |   |
| NDC Technologies | Technology-Based Intangible Assets |      |           |   |
| **Business Acquisition [Line Items]**                 |      |           |   |
| Identifiable intangible assets                        | $ 10,000  |           |   |
| Intangible assets amortization period                 | 7 years   |           |   |
| NDC Technologies | Customer relationships             |      |           |   |
| **Business Acquisition [Line Items]**                 |      |           |   |
| Identifiable intangible assets                        | $ 9,500   |           |   |
| Intangible assets amortization period                 | 4 years   |           |   |
| NDC Technologies | Non-compete agreements             |      |           |   |
| **Business Acquisition [Line Items]**                 |      |           |   |
| Identifiable intangible assets                        | $ 830     |           |   |
| Intangible assets amortization period                 | 3 years   |           |   |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, Excluding Intangible Assets
+ References
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| - Definition
Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
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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
Percentage of voting equity interests acquired at the acquisition date in the business combination.
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| - Definition
The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.
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| - Definition
Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.
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| - Definition
The amount of identifiable intangible assets recognized as of the acquisition date.
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| - Definition
The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).
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| - Definition
The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.
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