Changes in Accumulated Other Comprehensive Income Balances (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2016	Jul. 05, 2015	Jul. 03, 2016	Jul. 05, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			$ 1,965,786
Other comprehensive income (loss) before reclassifications, net of tax			10,675	$ (7,143)
Amounts reclassified from accumulated other comprehensive income (loss) net of tax	$ (75)	$ (305)	(238)	(708)
Other comprehensive income (loss), net of tax	(2,741)	(9,247)	10,437	(7,851)
Ending balance	1,745,579		1,745,579
Foreign currency translation reclassification adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(8,759)
Other comprehensive income (loss) before reclassifications, net of tax			5,229	(6,267)
Other comprehensive income (loss), net of tax			5,229	(6,267)
Ending balance	(3,530)	(6,267)	(3,530)	(6,267)
Unrealized Gains (Losses) on Marketable Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(1,414)	2,365
Other comprehensive income (loss) before reclassifications, net of tax			5,446	(876)
Amounts reclassified from accumulated other comprehensive income (loss) net of tax			134	561
Other comprehensive income (loss), net of tax			5,312	(1,437)
Ending balance	3,898	928	3,898	928
Retirement Plans Prior Service Credit
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			2,029	2,324
Amounts reclassified from accumulated other comprehensive income (loss) net of tax			104	147
Other comprehensive income (loss), net of tax			(104)	(147)
Ending balance	1,925	2,177	1,925	2,177
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(8,144)	4,689
Ending balance	$ 2,293	$ (3,162)	$ 2,293	$ (3,162)