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) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service costs	$ 0.1
Unrecognized net actuarial loss	11.4
Total	11.5
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service costs	0.1
Unrecognized net actuarial loss	2.0
Total	2.1
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial loss	9.4
Total	$ 9.4