Profit Sharing, Retirement Savings Plans and Defined Benefit Pension Plans - Funded Status for Pension Plans (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Change in benefit obligation:
Projected benefit obligation at beginning of period	$ 1,369.5	$ 1,262.6
Service cost	11.3	10.0	$ 12.3
Interest cost	37.6	48.0	43.4
Actuarial loss (gain)	11.7	217.9
Settlement/curtailment	(11.4)	(9.6)
Benefits paid	(48.2)	(48.6)
Employee contributions	3.5	3.4
Other	33.5	0.3
Foreign exchange impact	(88.0)	(114.5)
Projected benefit obligation at end of period	1,319.5	1,369.5	1,262.6
Change in plan assets:
Fair value of plan assets at beginning of period	1,044.0	1,023.2
Actual return on plan assets	14.4	121.1
Employer contributions	28.7	36.1
Employee contributions	3.5	3.4
Benefits paid	(48.2)	(48.6)
Settlement/curtailment	(8.2)	(9.6)
Other	(2.1)	1.8
Foreign exchange impact	(62.1)	(83.4)
Fair value of plan assets at end of period	970.0	1,044.0	1,023.2
Underfunded status at end of year	(349.5)	(325.5)
Accumulated benefit obligation at end of year	1,276.0	1,314.6
U.S. Pension Plans [Member]
Change in benefit obligation:
Projected benefit obligation at beginning of period	221.4	192.2
Service cost	0.7	1.1	1.3
Interest cost	8.6	8.7	7.9
Actuarial loss (gain)	(3.5)	31.4
Settlement/curtailment	(4.9)
Benefits paid	(13.7)	(12.0)
Other	6.4
Projected benefit obligation at end of period	215.0	221.4	192.2
Change in plan assets:
Fair value of plan assets at beginning of period	181.6	177.4
Actual return on plan assets	(5.6)	14.4
Employer contributions	0.5	2.6
Benefits paid	(13.7)	(12.0)
Settlement/curtailment	(5.9)
Other	(0.2)	(0.8)
Fair value of plan assets at end of period	156.7	181.6	177.4
Underfunded status at end of year	(58.3)	(39.8)
Accumulated benefit obligation at end of year	210.4	218.0
Non-U.S. Pension Plans [Member]
Change in benefit obligation:
Projected benefit obligation at beginning of period	1,148.1	1,070.4
Service cost	10.6	8.9	11.0
Interest cost	29.0	39.3	35.5
Actuarial loss (gain)	15.2	186.5
Settlement/curtailment	(6.5)	(9.6)
Benefits paid	(34.5)	(36.6)
Employee contributions	3.5	3.4
Other	27.1	0.3
Foreign exchange impact	(88.0)	(114.5)
Projected benefit obligation at end of period	1,104.5	1,148.1	1,070.4
Change in plan assets:
Fair value of plan assets at beginning of period	862.4	845.8
Actual return on plan assets	20.0	106.7
Employer contributions	28.2	33.5
Employee contributions	3.5	3.4
Benefits paid	(34.5)	(36.6)
Settlement/curtailment	(2.3)	(9.6)
Other	(1.9)	2.6
Foreign exchange impact	(62.1)	(83.4)
Fair value of plan assets at end of period	813.3	862.4	$ 845.8
Underfunded status at end of year	(291.2)	(285.7)
Accumulated benefit obligation at end of year	$ 1,065.6	$ 1,096.6