Equity Rollforward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of year			$ 1,929,486	$ 1,985,855
Comprehensive Income	35,242	5,191	74,205	2,193	[1]
Dividends			(36,648)	(31,440)
Repurchases of common stock			(277,275)	0
Share-based compensation			15,158	6,960
Exercises of stock options			23,412	5,026
Vesting of restricted shares			(1,397)	(41)
Tax benefit (charge) from share-based compensation			17,338	(2,092)
Consolidation of the Japan JV			0	(2,735)	[2]
Other			87	76
Balance, end of the period	1,744,366	1,963,802	1,744,366	1,963,802
Net loss attributable to noncontrolling interest	0	222	0	222
Other Comprehensive (Income) Loss, Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest				$ (626)

[1] For the six months ended June 30, 2013, comprehensive income is inclusive of amounts attributable to noncontrolling interests consisting of $222 net losses and a $626 gain on foreign currency translation resulting from the Company’s consolidation of the Japan JV discussed further in Note 4.

[2] For the six months ended June 30, 2013, all activity related to the consolidation of the Japan JV is attributable to the noncontrolling interest.