Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Components of Net Periodic Benefit Cost (Income) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 10.0	$ 12.3	$ 16.1
Interest cost	48.0	43.4	46.6
Expected return on plan assets	(54.1)	(49.2)	(52.8)
Amortization of net prior service cost	0.1	0.4	0.3
Amortization of net actuarial loss	9.9	10.0	6.8
Net periodic benefit cost (income)	13.9	16.9	17.0
Cost (income) of settlement	2.3	0.1	1.2
Total benefit cost (income)	16.2	17.0	18.2
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1.1	1.3	1.2
Interest cost	8.7	7.9	9.3
Expected return on plan assets	(11.2)	(11.1)	(11.2)
Amortization of net prior service cost		0.2	0.2
Amortization of net actuarial loss	0.8	2.2	1.8
Net periodic benefit cost (income)	(0.6)	0.5	1.3
Cost (income) of settlement		(0.7)	(0.9)
Total benefit cost (income)	(0.6)	(0.2)	0.4
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	8.9	11.0	14.9
Interest cost	39.3	35.5	37.3
Expected return on plan assets	(42.9)	(38.1)	(41.6)
Amortization of net prior service cost	0.1	0.2	0.1
Amortization of net actuarial loss	9.1	7.8	5.0
Net periodic benefit cost (income)	14.5	16.4	15.7
Cost (income) of settlement	2.3	0.8	2.1
Total benefit cost (income)	$ 16.8	$ 17.2	$ 17.8