Weighted-Average Stock Options and Warrants Outstanding Not included in Computation of Diluted Shares Outstanding (Detail) - USD ($)		1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Feb. 10, 2015	Apr. 30, 2015	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014	Dec. 28, 2013	Jan. 03, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Long-term Debt			$ 4,344,300,000		$ 4,344,300,000			$ 4,323,800,000
Preferred Stock Par Value Per Share			$ 2.50		$ 2.50			$ 2.50
Payments for Repurchase of Common Stock	$ 326,100,000	$ 100,000,000	$ 100,000,000	$ 0	$ 448,000,000	$ 19,400,000
Common Stock, Shares, Issued			176,906,265		176,906,265			176,906,265
Notes 2 Point 25 Percent due 2018 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Long-term Debt								$ 345,000,000
Preferred Stock Par Value Per Share								$ 100.00
Minimum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common Stock, Shares, Issued								3,500,000
Maximum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common Stock, Shares, Issued								4,300,000
Common Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Equity Units Conversion Rate Number Of Common Stock Shares					1.0130
Common Stock [Member] | Minimum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Payments for Repurchase of Common Stock							$ 98.80
Equity Units Conversion Rate Number Of Common Stock Shares							1.0122
Common Stock [Member] | Maximum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Payments for Repurchase of Common Stock							$ 80.65
Equity Units Conversion Rate Number Of Common Stock Shares							1.2399