Summarize Impact of ASC 606 to Condensed Consolidated Statement of Operation (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2018	Jul. 02, 2017	Jul. 01, 2018	Jul. 02, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 526,929	$ 696,901	$ 1,014,396	$ 1,153,814
Total cost of revenues	219,595		437,230
Income tax provision	18,975	31,901	27,821	38,696
Net income	$ 101,037	$ 174,976	$ 188,010	$ 260,197
Net income per common share:
Basic	$ 0.53	$ 0.88	$ 0.97	$ 1.30
Diluted	$ 0.52	$ 0.87	$ 0.94	$ 1.29
ASU 2014-09
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 523,300		$ 1,006,500
ASU 2014-09 | Adjustments to Recognize Under Legacy GAAP
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	(28,626)		(94,268)
Total cost of revenues	(6,081)		(33,830)
Income tax provision	(4,569)		(9,084)
Net income	$ (17,976)		$ (51,354)
Net income per common share:
Basic	$ (0.09)		$ (0.27)
Diluted	$ (0.09)		$ (0.26)
ASU 2014-09 | Legacy GAAP
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenues	$ 498,303		$ 920,128
Total cost of revenues	213,514		403,400
Income tax provision	14,406		18,737
Net income	$ 83,061		$ 136,656
Net income per common share:
Basic	$ 0.44		$ 0.71
Diluted	$ 0.43		$ 0.69