Consolidated Statements of Changes in Equity - USD ($)	Total	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Redeemable noncontrolling interest	$ 0
Beginning Balance at Dec. 25, 2012	821,919,000	$ (207,161,000)	$ 174,690,000	$ 853,715,000	$ 672,000
Ending Balance, Shares (in shares) at Dec. 31, 2013		4,283,000
Comprehensive income:
Net Income	196,169,000		0	196,169,000	0
Net Income (loss)	196,169,000
Net Income (Loss)	0
Other Comprehensive Income (Loss)	(1,005,000)		0	0	(1,005,000)
Issuance of common stock	2,841,000	$ 0	2,841,000	0	0
Issuance of common stock (in shares)		0
Stock-based Compensation Expense	10,703,000		10,703,000	0	0
Repurchase of common stock	339,409,000	$ 339,409,000	0	0	0
Repurchase of common stock		2,033,000
Tax Benefit from Exercise of Stock Options	8,100,000		8,100,000	0	0
Stockholders' Equity, Other Shares		0
Stockholders' Equity, Other	574,000	$ 0	574,000	0	0
Redeemable noncontrolling interest	0
Beginning Balance at Dec. 31, 2013	699,892,000	$ (546,570,000)	196,908,000	1,049,884,000	(333,000)
Ending Balance, Shares (in shares) at Dec. 30, 2014		5,261,000
Comprehensive income:
Net Income	179,293,000		0	179,293,000	0
Net Income (loss)	179,293,000
Net Income (Loss)	0
Other Comprehensive Income (Loss)	(1,027,000)		0	0	(1,027,000)
Issuance of common stock	3,247,000	$ 0	3,247,000	0	0
Issuance of common stock (in shares)		0
Stock-based Compensation Expense	$ 10,077,000		10,077,000	0	0
Repurchase of common stock	(941,878)
Repurchase of common stock	$ 159,503,000	$ 159,503,000	0	0	0
Repurchase of common stock		978,000
Tax Benefit from Exercise of Stock Options	3,089,000		3,089,000	0	0
Stockholders' Equity, Other Shares		0
Stockholders' Equity, Other	1,116,000	$ 0	1,116,000	0	0
Redeemable noncontrolling interest	0
Beginning Balance at Dec. 30, 2014	736,184,000	$ (706,073,000)	214,437,000	1,229,177,000	(1,360,000)
Ending Balance, Shares (in shares) at Dec. 29, 2015		7,490,000
Comprehensive income:
Net Income	149,325,000		0		0
Net Income (loss)	149,342,000			149,342,000
Net Income (Loss)	(17,000)
Other Comprehensive Income (Loss)	(3,669,000)		0	0	(3,669,000)
Issuance of common stock	3,527,000	$ 0	3,527,000	0	0
Issuance of common stock (in shares)		0
Stock-based Compensation Expense	15,086,000		15,086,000	0	0
Repurchase of common stock	405,513,000	$ 405,513,000	0	0	0
Repurchase of common stock		2,229,000
Tax Benefit from Exercise of Stock Options	2,057,000		2,057,000	0	0
Redeemable noncontrolling interest, acquired	3,998,000
Stockholders' Equity, Other Shares		0
Stockholders' Equity, Other	286,000	$ 0	$ 286,000	$ 0	$ 0
Redeemable noncontrolling interest	$ 3,981,000