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Earnings Per Share - Earnings Per Share Reconciliation (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Earnings Per Share [Abstract]
Net income per basic common share, Net Income (Numerator)	$ 155,677	$ 131,822	$ 267,628	$ 237,379
Net income per diluted common share, Net Income (Numerator)	$ 155,677	$ 131,822	$ 267,628	$ 237,379
Net income per basic common share, Weighted-Average Shares (Denominator)	77,833	79,979	78,330	80,029
Effect of dilutive stock option, restricted stock, performance stock unit and restricted stock unit securities, Weighted-Average Shares (Denominator)	605	777	711	740
Net income per diluted common share, Weighted-Average Shares (Denominator)	78,438	80,756	79,041	80,769
Net income per basic common share, Per Share Amount	$ 2.00	$ 1.65	$ 3.42	$ 2.97
Effect of dilutive stock option, restricted stock, performance stock unit and restricted stock unit securities, Per Share Amount	(0.02)	(0.02)	(0.03)	(0.03)
Net income per diluted common share, Per Share Amount	$ 1.98	$ 1.63	$ 3.39	$ 2.94

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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