|                 |
|-----------------|
|                 |  |
| (Mark One)      |   |
| [ X ]           | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|            | For the fiscal year ended December 30, 2012 |
| OR              |
| [   ] | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |

|                                                                |
|----------------------------------------------------------------|
|                                                                |  |  |
| DELAWARE                                                       |   | 95-3917584 |
| (State or other jurisdiction of incorporation or organization) |   | (I.R.S. Employer Identification No.) |
|  N49 W13650 Campbell DriveMenomonee Falls, Wisconsin      |   |   53051 |
| (Address of Principal Executive Offices)                       |   | (Zip Code) |

|                                                             |
|-------------------------------------------------------------|
|                                                             |  |
| Title of each class                                         | Name of each exchangeon which registered |
| Common Stock, $.01 par valuePreferred Stock Purchase Rights | The NASDAQ Global Select MarketThe NASDAQ Global Select Market |

|                                                                                                                                                                                                                                                                                                                                                                                                                    |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                                                                                                                                                                                                                                                                    |  |  |
| Indicate by check mark if the registrant is a well known seasoned issuer, as defined in Rule 405 of the Securities Act.                                                                                                                                                                                                                                                                                            | Yes [   ] | No [X]  |
| Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.                                                                                                                                                                                                                                                                                       | Yes [   ] | No [X]  |
| Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.                             | Yes [X] | No [   ] |
| Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    | Yes [X] | No [   ] |
| Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.                                               |   |       [X] |

|                                                                                                                  |
|------------------------------------------------------------------------------------------------------------------|
|                                                                                                                  |  |  |  |  |  |  |  |
|                                                                                                             | Large accelerated filer [   ]  | Accelerated filer [  ]  | Non-accelerated filer  [  ]  | Smaller reporting company [ X ]  |
| Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). | Yes [   ] | No [X] |   |

----

----

----

|             |
|-------------|
|             |  |  |  |
| Exhibit No. |   | Note | Description of Exhibit |
| 31.1        |   | ** | Certification Pursuant to 15 U.S.C. Section 7241. |
| 31.2        |   | ** | Certification Pursuant to 15 U.S.C. Section 7241. |
| 32.1        |   | ** | Certifications Pursuant to 18 U.S.C. Section 1350. |

----

|        |
|--------|
|        |  |  |
| By:    | /s/ Marty J. Schwenner |   |
|   | Marty J. SchwennerVice President and Chief Financial Officer |   |

|                                    |
|------------------------------------|
|                                    |  |  |
| Signature                          | Title | Date |
|                               |   |   |
| /s/  MITCHELL I. QUAIN   | Chairman of the Board of Directors | March 26, 2013 |
| Mitchell I. Quain             |   |   |
| /s/  DAVID A. BLOSS, SR. | Director | March 26, 2013 |
| David A. Bloss, Sr.           |   |   |
| /s/  YON Y. JORDEN       | Director | March 26, 2013 |
| Yon Y. Jorden                 |   |   |
| /s/  ALAN B. LEVINE      | Director | March 26, 2013 |
| Alan B. Levine                |   |   |
| /s/  DAVID P. REILAND    | Director | March 26, 2013 |
| David P. Reiland              |   |   |
| /s/  PETER M. MCCORMICK  | Director, President and Chief Executive Officer | March 26, 2013 |
| Peter M. McCormick            |   |   |
| /s/  MARTY J. SCHWENNER  | Vice President and Chief Financial Officer | March 26, 2013 |
| Marty J. Schwenner            | (Principal Financial Officer) |   |
| /s/  MICHAEL J. STAUBER  | Vice President and Corporate Controller | March 26, 2013 |
| Michael J. Stauber                 | (Principal Accounting Officer) |   |

----

|             |
|-------------|
|             |  |  |  |
| Exhibit No. |   | Note | Description of Exhibit |
| 31.1        |   | ** | Certification Pursuant to 15 U.S.C. Section 7241. |
| 31.2        |   | ** | Certification Pursuant to 15 U.S.C. Section 7241. |
| 32.1        |   | ** | Certifications Pursuant to 18 U.S.C. Section 1350. |