Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Estimated Future Benefit Payments (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
2015	$ 45.4
2016	45.9
2017	47.7
2018	49.0
2019	50.5
Thereafter	279.4
Total	517.9
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
2015	11.1
2016	12.7
2017	12.6
2018	12.6
2019	13.0
Thereafter	62.5
Total	124.5
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
2015	34.3
2016	33.2
2017	35.1
2018	36.4
2019	37.5
Thereafter	216.9
Total	$ 393.4