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Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Amounts in Accumulated Other Comprehensive Loss Expected to be Recognized in Next Fiscal Year (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service costs	$ (0.1)
Unrecognized net actuarial loss	11.3
Total	11.2
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial loss	0.9
Total	0.9
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service costs	(0.1)
Unrecognized net actuarial loss	10.4
Total	$ 10.3