Provision (Benefit) for Income Taxes on Income from Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Current
Federal	$ 217,500us-gaap_CurrentFederalTaxExpenseBenefit	$ 95,000us-gaap_CurrentFederalTaxExpenseBenefit	$ 82,200us-gaap_CurrentFederalTaxExpenseBenefit
State and other	5,800	(36,700)	(2,600)
Foreign	1,100us-gaap_CurrentForeignTaxExpenseBenefit	1,000us-gaap_CurrentForeignTaxExpenseBenefit	(6,900)us-gaap_CurrentForeignTaxExpenseBenefit
Total	224,400us-gaap_CurrentIncomeTaxExpenseBenefit	59,300us-gaap_CurrentIncomeTaxExpenseBenefit	72,700us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred
Federal	(38,000)	39,400	106,000
State and other	37,200	8,000	17,100
Foreign	2,000	6,500	(400)
Total	1,200us-gaap_DeferredIncomeTaxExpenseBenefit	53,900us-gaap_DeferredIncomeTaxExpenseBenefit	122,700us-gaap_DeferredIncomeTaxExpenseBenefit
Total
Federal	179,500	134,400	188,200
State and other	43,000	(28,700)	14,500
Foreign	3,100	7,500	(7,300)
Total	$ 225,600us-gaap_IncomeTaxExpenseBenefit	$ 113,200us-gaap_IncomeTaxExpenseBenefit	$ 195,400us-gaap_IncomeTaxExpenseBenefit

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