Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Effective income tax rate	31.20%	27.80%
Non-cash out-of-period gain related to adjustment to correct tax balances		$ 4.5
Non-current deferred tax liabilities included in deferred credits and other liabilities	$ 546.5		$ 558.6