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Shareholders' Equity (Details) (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 01, 2012 | Jul. 03, 2011 | Jul. 01, 2012 | Jul. 03, 2011
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |  |
Beginning Balance |  |  | $ 1,038,521,000 |
Stock option and restricted stock award transactions |  |  | 396,000 |
Tax provision related to equity compensation |  |  | (270,000) |
Stock based compensation expense |  |  | 3,494,000 |
Cancellation of restricted stock, Value |  |  | 0 |
Retirement of common stock, shares |  |  | (57,457) |
Retirement of common stock, Value |  |  | (1,035,000) |
Stock Issued During Period, Value, Treasury Stock Reissued |  |  | 296,000 |
Distribution to noncontrolling interest |  |  | (5,758,000) |
Adjustments to Additional Paid in Capital, Other |  |  | (51,000) |
Comprehensive income (loss): |  |  |  |
Total comprehensive income | 20,007,000 | 21,662,000 | 37,053,000 | 38,345,000
Ending Balance | 1,072,646,000 |  | 1,072,646,000 |
Common Stock [Member] |  |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |  |
Beginning Balance |  |  | 852,000 |
Beginning Balance, Shares |  |  | 61,181,000 |
Stock option and restricted stock award transactions, shares |  |  | 347,000 |
Stock option and restricted stock award transactions |  |  | 3,000 |
Cancellation of restricted stock, shares |  |  | (26,000) |
Cancellation of restricted stock, Value |  |  | 0 |
Retirement of common stock, shares |  |  | (58,000) |
Retirement of common stock, Value |  |  | (1,000) |
Stock Issued During Period, Shares, Treasury Stock Reissued |  |  | 16,000 |
Comprehensive income (loss): |  |  |  |
Ending Balance | 854,000 |  | 854,000 |
Ending Balance, Shares | 61,460,000 |  | 61,460,000 |
Additional Paid-in Capital [Member] |  |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |  |
Beginning Balance |  |  | 727,297,000 |
Stock option and restricted stock award transactions |  |  | 393,000 |
Tax provision related to equity compensation |  |  | (270,000) |
Stock based compensation expense |  |  | 3,494,000 |
Cancellation of restricted stock, Value |  |  | 0 |
Retirement of common stock, Value |  |  | (628,000) |
Stock Issued During Period, Value, Treasury Stock Reissued |  |  | 0 |
Adjustments to Additional Paid in Capital, Other |  |  | (51,000) |
Comprehensive income (loss): |  |  |  |
Ending Balance | 730,235,000 |  | 730,235,000 |
Retained Earnings [Member] |  |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |  |
Beginning Balance |  |  | 507,170,000 |
Retirement of common stock, Value |  |  | (406,000) |
Stock Issued During Period, Value, Treasury Stock Reissued |  |  | 0 |
Comprehensive income (loss): |  |  |  |
Total comprehensive income |  |  | 37,526,000 |
Ending Balance | 544,290,000 |  | 544,290,000 |
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |  |
Beginning Balance |  |  | 1,930,000 |
Comprehensive income (loss): |  |  |  |
Total comprehensive income |  |  | (477,000) |
Ending Balance | 1,453,000 |  | 1,453,000 |
Treasury Stock [Member] |  |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |  |
Beginning Balance |  |  | (214,031,000) |
Beginning Balance, Shares |  |  | 24,004,000 |
Stock Issued During Period, Value, Treasury Stock Reissued |  |  | 296,000 |
Stock Issued During Period, Shares, Treasury Stock Reissued |  |  | (16,000) |
Comprehensive income (loss): |  |  |  |
Ending Balance | (213,735,000) |  | (213,735,000) |
Ending Balance, Shares | 23,988,000 |  | 23,988,000 |
Noncontrolling Interest [Member] |  |  |  |
Changes in shareholders' equity that are attributable to the Company's shareholders and to non controlling interests |  |  |  |
Beginning Balance |  |  | 15,303,000 |
Distribution to noncontrolling interest |  |  | (5,758,000) |
Comprehensive income (loss): |  |  |  |
Total comprehensive income |  |  | 4,000 |
Ending Balance | $ 9,549,000 |  | $ 9,549,000 |

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X
- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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Period Type: | duration