Statements of Shareholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Noncontrolling Interest
Beginning Balance at Jan. 02, 2011	$ 1,039,490	$ 845	$ 718,489	$ 428,545	$ 10,071	$ (139,049)	$ 20,589
Beginning Balance, Shares at Jan. 02, 2011		64,432,000				20,074,000
Proceeds from stock options exercised	2,446	3	2,443
Proceeds from stock options exercised, Shares		298,000
Tax benefit related to equity compensation	465		465
Stock based compensation expense	2,681		2,681
Restricted stock granted	0	4	(4)
Restricted stock granted, Shares		381,000
Amortizatoin of restricted stock	3,432		3,432
Purchase of treasury shares	(74,982)					(74,982)
Purchase of treasury shares, Shares		3,930,000				3,930,000
Other adjustments to Additional Paid-In Capital	(209)		(209)
Distribution to noncontrolling interest	(4,012)						(4,012)
Net income (loss)	77,463			78,625			(1,162)
Other comprehensive income (loss), net of tax	(8,253)				(8,141)		(112)
Ending Balance at Jan. 01, 2012	1,038,521	852	727,297	507,170	1,930	(214,031)	15,303
Ending Balance, Shares at Jan. 01, 2012		61,181,000				24,004,000
Proceeds from stock options exercised	9,276	6	9,270
Proceeds from stock options exercised, Shares		593,000
Tax benefit related to equity compensation	621		621
Stock based compensation expense	2,539		2,539
Restricted stock granted	0	3	(3)
Restricted stock granted, Shares		315,000
Amortizatoin of restricted stock	4,449		4,449
Purchase of treasury shares	(8,666)	0	0			(8,666)
Purchase of treasury shares, Shares		298,000				298,000
Other adjustments to Additional Paid-In Capital	(51)		(51)
Distribution to noncontrolling interest	(5,758)						(5,758)
Net income (loss)	133,898			134,750			(852)
Other comprehensive income (loss), net of tax	624				740		(116)
Retirement of common stock	(1,036)	(1)	(628)	(407)
Retirement of common stock, Shares	(57,457)	(58,000)
Restricted stock cancelled	0
Restricted stock cancelled, Shares		(28,000)
Dividends - Cash	(102,435)			(102,435)
Dividends - Stock	0		105,784	(274,402)		168,618
Dividends - Stock, Shares	9,688,568	9,689,000				9,689,000
Re-issuance of treasury shares (ESPP)	460		5	(9)		464
Re-issuance of treasury shares (ESPP), Shares		23,000				23,000
Increase in Ownership of Subsidiary (MCF)	(25,138)		(17,053)				(8,085)
Ending Balance at Dec. 31, 2012	1,047,304	860	832,230	264,667	2,670	(53,615)	492
Ending Balance, Shares at Dec. 31, 2012		71,417,000				14,590,000
Proceeds from stock options exercised	5,425	3	5,422
Proceeds from stock options exercised, Shares	318,000	318,000
Tax benefit related to equity compensation	2,197		2,197
Stock based compensation expense	1,307		1,307
Restricted stock granted	0	3	(3)
Restricted stock granted, Shares		345,000
Amortizatoin of restricted stock	6,582		6,582
Net income (loss)	115,197			115,135			62
Other comprehensive income (loss), net of tax	(7,199)				(7,099)		(100)
Restricted stock cancelled	0	0
Restricted stock cancelled, Shares		(8,000)
Dividends - Cash	(147,156)			(147,156)
Re-issuance of treasury shares (ESPP)	319		283	0		36
Re-issuance of treasury shares (ESPP), Shares		10,000				10,000
Ending Balance at Dec. 31, 2013	$ 1,023,976	$ 866	$ 848,018	$ 232,646	$ (4,429)	$ (53,579)	$ 454
Ending Balance, Shares at Dec. 31, 2013		72,082,000				14,580,000