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Earnings Per Share - Earnings Per Share Reconciliation (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Net income per basic common share, Net Income (Numerator)	$ 141,014	$ 136,104	$ 408,642	$ 373,483
Net income per diluted common share, Net Income (Numerator)	$ 141,014	$ 136,104	$ 408,642	$ 373,483
Net income per basic common share, Weighted-Average Shares (Denominator)	76,575	79,712	77,741	79,908
Effect of dilutive stock option, restricted stock, performance stock unit and restricted stock unit securities, Weighted-Average Shares (Denominator)	561	809	654	752
Net income per diluted common share, Weighted-Average Shares (Denominator)	77,136	80,521	78,395	80,660
Net income per basic common share, Per Share Amount	$ 1.84	$ 1.71	$ 5.26	$ 4.67
Effect of dilutive stock option, restricted stock, performance stock unit and restricted stock unit securities, Per Share Amount	(0.01)	(0.02)	(0.05)	(0.04)
Net income per diluted common share, Per Share Amount	$ 1.83	$ 1.69	$ 5.21	$ 4.63

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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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