Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Funded Status for Pension Plans (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Change in benefit obligations:
Benefit obligation at beginning of period	$ 906.9	$ 978.9
Service cost	4.3	7.0	$ 10.6
Interest cost	21.7	22.9	26.1
Actuarial (gain) loss	(32.1)	27.8
Settlement/curtailment	(22.7)	(35.0)
Benefits paid	(34.1)	(35.5)
Employee contributions	0.7	2.2
Business divestiture	0.0	(120.2)
Other	6.0	1.2
Foreign exchange impact	(35.1)	57.6
Benefit obligation at end of period	815.6	906.9	978.9
Change in plan assets:
Fair value of plan assets at beginning of period	776.2	771.8
Actual return on plan assets	(34.0)	70.1
Employer contributions	15.7	28.1
Employee contributions	0.7	2.2
Benefits paid	(34.1)	(35.5)
Settlement	(22.7)	(30.4)
Business divestiture	0.0	(74.2)
Other	0.7	(0.5)
Foreign exchange impact	(33.8)	44.6
Fair value of plan assets at end of period	668.7	776.2	771.8
Underfunded status at end of year	(146.9)	(130.7)
Accumulated benefit obligation at end of year	803.0	893.7
U.S. | Pension Plan
Change in benefit obligations:
Benefit obligation at beginning of period	204.7	213.1
Service cost	0.1	0.1	0.6
Interest cost	6.5	6.8	7.8
Actuarial (gain) loss	(10.6)	11.3
Settlement/curtailment	(7.6)	(13.8)
Benefits paid	(11.2)	(12.9)
Employee contributions	0.0	0.0
Business divestiture	0.0	0.0
Other	0.2	0.1
Foreign exchange impact	0.0	0.0
Benefit obligation at end of period	182.1	204.7	213.1
Change in plan assets:
Fair value of plan assets at beginning of period	148.7	150.3
Actual return on plan assets	(10.5)	19.3
Employer contributions	0.4	6.3
Employee contributions	0.0	0.0
Benefits paid	(11.2)	(12.9)
Settlement	(7.6)	(14.3)
Business divestiture	0.0	0.0
Other	0.1	0.0
Foreign exchange impact	0.0	0.0
Fair value of plan assets at end of period	119.9	148.7	150.3
Underfunded status at end of year	(62.2)	(56.0)
Accumulated benefit obligation at end of year	182.1	204.8
International | Pension Plan
Change in benefit obligations:
Benefit obligation at beginning of period	702.2	765.8
Service cost	4.2	6.9	10.0
Interest cost	15.2	16.1	18.3
Actuarial (gain) loss	(21.5)	16.5
Settlement/curtailment	(15.1)	(21.2)
Benefits paid	(22.9)	(22.6)
Employee contributions	0.7	2.2
Business divestiture	0.0	(120.2)
Other	5.8	1.1
Foreign exchange impact	(35.1)	57.6
Benefit obligation at end of period	633.5	702.2	765.8
Change in plan assets:
Fair value of plan assets at beginning of period	627.5	621.5
Actual return on plan assets	(23.5)	50.8
Employer contributions	15.3	21.8
Employee contributions	0.7	2.2
Benefits paid	(22.9)	(22.6)
Settlement	(15.1)	(16.1)
Business divestiture	0.0	(74.2)
Other	0.6	(0.5)
Foreign exchange impact	(33.8)	44.6
Fair value of plan assets at end of period	548.8	627.5	$ 621.5
Underfunded status at end of year	(84.7)	(74.7)
Accumulated benefit obligation at end of year	$ 620.9	$ 688.9