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Debt (Tables) | 3 Months Ended
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Mar. 29, 2013
Debt Disclosure [Abstract] |
Schedule of Debt [Table Text Block] |
| Long-term debt is comprised of the following (in thousands):
|  |  | As of
|  |  |  | March 29, |  |  | December 28,
|  |  |  | 2013 |  |  | 2012
| Revolving line of credit | $ | 233,000 |  | $ | 33,000
| 2.25% convertible subordinated notes |  | - |  |  | 197,782
| Unamortized discount |  | - |  |  | (5,368)
|  | Total long-term debt | $ | 233,000 |  | $ | 225,414
Schedule Of Interest Rate Derivatives [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  | Current |  | Fair |  |
|  |  |  |  |  |  |  |  |  | Pay |  | Receive |  | Value |  | Balance
|  | Type of |  | Notional |  | Start |  | End |  | Fixed |  | Floating |  | March 29, |  | Sheet
Instrument |  | Hedge |  | Amount |  | Date |  | Date |  | Rate |  | Rate |  | 2013 |  | Location
Interest rate swap |  | Cash flow |  | $ | 150,000 |  | Feb-13 |  | Feb-16 |  | 0.573% |  |  | 0.023% |  | $ | (626) |  | Other Long-Term Liabilities
Schedule of Interest [Table Text Block] |
| The contractual interest and discount amortization for CSN were as follows (in thousands):
|  | Three Months Ended |
|  | March 29, |  | March 30, |
|  | 2013 |  | 2012 |
| Contractual interest | $ | 634 |  | $ | 1,113 |
| Discount amortization |  | 5,368 |  |  | 2,689 |
Schedule of Deferred Financing Costs [Table Text Block] |
| At | December 28, 2012 | $ | 2,056
| Amortization during the period |  | (391)
| At | March 29, 2013 | $ | 1,665

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of interest rate derivatives, including, but not limited to, the fair value of the derivatives, statement of financial position location, and statement of financial performance location of these instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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