Equity Arrangements - Additional Information (Detail) - USD ($)			1 Months Ended				3 Months Ended		12 Months Ended
	Feb. 01, 2016	Oct. 31, 2014	Feb. 29, 2016	Mar. 31, 2015	Feb. 28, 2015	Dec. 31, 2013	Apr. 02, 2016	Apr. 04, 2015	Jan. 02, 2016	Dec. 28, 2013
Stockholders Equity Note [Line Items]
Forward share purchase contract		$ 150,000,000		$ 350,000,000
Payments for Repurchase of Common Stock	$ 124,200,000		$ 326,100,000				$ 361,400,000	$ 348,000,000
Long-term debt, including current maturities							3,822,200,000		$ 3,797,200,000
Call option, aggregate premium						$ 9,700,000
Preferred Stock, Value, Issued							$ 0		$ 0
Debt Instrument Convertible Conversion Warrant Strike Price, Percentage Higher than Previous Price on November 1, 2010									$ 0.4
Equity Forward Contracts, Net Settlement, Shares		1,603,822		3,645,510
Option Indexed to Issuer's Equity, Settlement Alternatives, Shares, at Fair Value	293,142				911,077				2,603,855
Treasury Stock Acquired, Average Cost Per Share	$ 94.34				$ 96.46		$ 112.65
Document Period End Date							Apr. 02, 2016
Treasury Stock, Shares, Acquired	1,316,858		3,763,145		3,381,162				6,623,709
Call Option [Member]
Stockholders Equity Note [Line Items]
Call option, average price (in dollars per share)										$ 2.77
Open option contracts written at fair value							$ 27,100,000
Notes 2 Point 25 Percent due 2018 [Member]
Stockholders Equity Note [Line Items]
Long-term debt, including current maturities							$ 343,900,000		$ 343,800,000
Convertible Preferred Stock [Member]
Stockholders Equity Note [Line Items]
Common stock to be issued up on conversion										3,500,000.0
Common Stock [Member]
Stockholders Equity Note [Line Items]
Conversion price of convertible note (in dollars per share)							$ 98.57
Common Stock [Member] | Maximum [Member]
Stockholders Equity Note [Line Items]
Payments for Repurchase of Common Stock										$ 80.65
Common Stock [Member] | Minimum [Member]
Stockholders Equity Note [Line Items]
Payments for Repurchase of Common Stock										$ 98.80
Call Option [Member]
Stockholders Equity Note [Line Items]
Number of common shares purchased under call option	3,100,000.0							9,100,000.0		12,200,000.0
Option Indexed to Issuer's Equity, Premium Amount										$ 73,500,000
Option Indexed to Issuer's Equity, Average Premium Price Per Share										$ 6.03
Option Indexed to Issuer's Equity, Average Lower Strike Price										86.07
Option Indexed to Issuer's Equity, Average Upper Strike Price										$ 106.56