Stock-Based Compensation (Details 2) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Apr. 01, 2014	Dec. 30, 2014
Stock options
Stock-Based Compensation
Weighted average fair value at the grant date for options issued (in dollars per share)	$ 14.17	$ 15.48
Weighted average assumptions under Black-Scholes valuation model
Expected option term	6 years 7 months 6 days	6 years 6 months
Expected stock price volatility (as a percent)	31.30%	32.90%
Risk free interest rate (as a percent)	1.90%	2.20%
Dividend yield (as a percent)	1.40%	1.20%
Stock option activity, shares
Outstanding, at the beginning of the period (in shares)	4,023
Granted (in shares)	312
Exercised (in shares)	(280)
Forfeited or cancelled (in shares)	(12)
Outstanding at the end of the period (in shares)	4,043		4,023
Exercisable at the end of the period (in shares)	2,434
Weighted Average Exercise price
Outstanding at the beginning of the period (in dollars per share)	$ 26.34
Granted (in dollars per share)	$ 48.01
Exercised (in dollars per share)	$ 20.25
Forfeited or cancelled (in dollars per share)	$ 24.87
Outstanding at the end of the period (in dollars per share)	$ 28.43		$ 26.34
Exercisable at the end of the period (in dollars per share)	$ 24.64
Weighted Average Remaining Contractual Term
Outstanding at the beginning of the period	3 years 10 months 24 days		3 years 8 months 12 days
Outstanding at the end of the period	3 years 10 months 24 days		3 years 8 months 12 days
Exercisable at the end of the period	2 years 10 months 24 days
Aggregate Intrinsic Value
Outstanding at the beginning of the period	$ 97,406,000
Outstanding at the end of the period	84,484,000		97,406,000
Exercisable at the end of the period	60,095,000
Total intrinsic value of options exercised	8,500,000	8,900,000
Unrecognized Stock-based Compensation Expense
Total unrecognized stock-based compensation expenses related to unvested stock options, restricted shares and restricted share units	14,200,000
Expected weighted average period for recognition of compensation expense related to unvested stock option	2 years 6 months
Restricted stock
Unrecognized Stock-based Compensation Expense
Total unrecognized stock-based compensation expenses related to unvested stock options, restricted shares and restricted share units	46,300,000
Expected weighted average period for recognition of compensation expense related to unvested stock option	3 years 3 months 18 days
Restricted Shares and Restricted Share Units
Outstanding at the beginning of the period (in shares)	1,820
Granted (in shares)	297
Vested (in shares)	(213)
Forfeited (in shares)	(39)
Outstanding at the end of the period (in shares)	1,865		1,820
Fair value of shares vested	$ 5,700,000	$ 3,700,000
Weighted Average Fair Value
Outstanding at the beginning of the period (in dollars per share)	$ 37.12
Granted (in dollars per share)	$ 48.48		$ 48.11
Vested (in dollars per share)	$ 26.89
Forfeited (in dollars per share)	$ 35.40
Outstanding at the end of the period (in dollars per share)	$ 40.14		$ 37.12