Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Information for Plans with Accumulated Benefit Obligations in Excess of Plan Assets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 1,126.3	$ 1,018.5
Fair value of plan assets	825.5	794.9
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	218.0	189.2
Fair value of plan assets	181.7	177.4
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	908.3	829.3
Fair value of plan assets	$ 643.8	$ 617.5