Stock-Based Compensation (Details 2) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 01, 2014	Jul. 02, 2013	Jul. 01, 2014	Jul. 02, 2013	Dec. 31, 2013
Employee Stock Option [Member]
Stock option activity, shares
Outstanding, at the beginning of the period (in shares)			4,823
Granted (in shares)			330
Exercised (in shares)			(449)
Forfeited or cancelled (in shares)			(26)
Outstanding at the end of the period (in shares)	4,678		4,678		4,823
Exercisable at the end of the period (in shares)	2,649		2,649
Weighted Average Exercise price
Outstanding at the beginning of the period (in dollars per share)			$ 23.70
Granted (in dollars per share)			$ 48.19
Exercised (in dollars per share)			$ 19.22
Forfeited or cancelled (in dollars per share)			$ 30.26
Outstanding at the end of the period (in dollars per share)	$ 25.82		$ 25.82		$ 23.70
Exercisable at the end of the period (in dollars per share)	$ 23.74		$ 23.74
Weighted Average Remaining Contractual Term
Outstanding at the beginning of the period			3 years 10 months 24 days		4 years 1 month 6 days
Outstanding at the end of the period			3 years 10 months 24 days		4 years 1 month 6 days
Exercisable at the end of the period			3 years 1 month 6 days
Aggregate Intrinsic Value
Outstanding at the beginning of the period			$ 118,505,000
Outstanding at the end of the period	98,824,000		98,824,000		118,505,000
Exercisable at the end of the period	61,213,000		61,213,000
Total intrinsic value of options exercised	3,800,000	11,700,000	12,700,000	19,800,000
Unrecognized Stock-based Compensation Expense
Total unrecognized stock-based compensation expenses related to unvested stock options, restricted shares and restricted share units	14,100,000		14,100,000
Expected weighted average period for recognition of compensation expense related to unvested stock option			2 years 3 months 18 days
Restricted Shares and Restricted Share Units [Member]
Unrecognized Stock-based Compensation Expense
Total unrecognized stock-based compensation expenses related to unvested stock options, restricted shares and restricted share units	37,400,000		37,400,000
Expected weighted average period for recognition of compensation expense related to unvested stock option			3 years 4 months 24 days
Restricted Shares and Restricted Share Units
Outstanding at the beginning of the period (in shares)			1,672
Granted (in shares)			307
Vested (in shares)			(166)
Forfeited (in shares)			(56)
Outstanding at the end of the period (in shares)	1,757		1,757
Fair value of shares vested	$ 100,000	$ 6,000,000	$ 3,800,000	$ 2,400,000
Weighted Average Fair Value
Outstanding at the beginning of the period (in dollars per share)			$ 32.81
Granted (in dollars per share)	$ 48.19	$ 39.75	$ 48.11
Vested (in dollars per share)			$ 23.01
Forfeited (in dollars per share)			$ 36.19
Outstanding at the end of the period (in dollars per share)	$ 36.30		$ 36.30