Employee Benefit Plans - Funded Status of Defined Benefit Pension Plans (Detail) - USD ($)
$ in Millions |
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Amounts recognized in the balance sheet: |
|
|
|
| Noncurrent pension asset |
$ 0.6
|
$ 0.4
|
|
| Foreign Pension Plans, Defined Benefit |
|
|
|
| Change in projected benefit obligations (PBO): |
|
|
|
| Benefit obligations at beginning of the year |
569.7
|
648.4
|
|
| Service cost |
9.9
|
11.2
|
$ 9.9
|
| Interest cost |
14.7
|
14.6
|
21.7
|
| Participant contributions |
1.5
|
1.6
|
|
| Actuarial losses (gains) |
33.7
|
(8.7)
|
|
| Change in currency exchange rates |
(15.0)
|
(76.4)
|
|
| Benefits paid |
(20.4)
|
(21.0)
|
|
| Benefit obligations at end of the year |
594.1
|
569.7
|
648.4
|
| Change in plan assets: |
|
|
|
| Fair value of plan assets at beginning of the year |
372.0
|
414.8
|
|
| Actual return (loss) on plan assets |
10.0
|
10.6
|
|
| Employer contributions |
15.3
|
17.1
|
|
| Participant contributions |
1.5
|
1.6
|
|
| Change in currency exchange rates |
(6.9)
|
(51.1)
|
|
| Benefits paid |
(20.4)
|
(21.0)
|
|
| Fair value of plan assets at end of year |
371.5
|
372.0
|
414.8
|
| Funded status |
(222.6)
|
(197.7)
|
|
| Amounts recognized in the balance sheet: |
|
|
|
| Noncurrent pension asset |
0.6
|
0.4
|
|
| Accrued pension/OPEB costs, noncurrent |
(223.2)
|
(198.1)
|
|
| Total |
(222.6)
|
(197.7)
|
|
| Accumulated other comprehensive loss, Actuarial losses |
257.5
|
230.6
|
|
| Accumulated other comprehensive loss, Prior service cost |
1.6
|
1.9
|
|
| Accumulated other comprehensive loss, Total |
259.1
|
232.5
|
|
| Accumulated benefit obligations (ABO) |
569.5
|
545.2
|
|
| United States Pension Plans of US Entity, Defined Benefit |
|
|
|
| Change in projected benefit obligations (PBO): |
|
|
|
| Benefit obligations at beginning of the year |
18.6
|
19.8
|
|
| Interest cost |
0.8
|
0.8
|
0.8
|
| Actuarial losses (gains) |
(0.6)
|
(1.0)
|
|
| Benefits paid |
(1.0)
|
(1.0)
|
|
| Benefit obligations at end of the year |
17.8
|
18.6
|
19.8
|
| Change in plan assets: |
|
|
|
| Fair value of plan assets at beginning of the year |
13.9
|
15.5
|
|
| Actual return (loss) on plan assets |
0.5
|
(0.7)
|
|
| Employer contributions |
0.2
|
0.1
|
|
| Benefits paid |
(1.0)
|
(1.0)
|
|
| Fair value of plan assets at end of year |
13.6
|
13.9
|
15.5
|
| Funded status |
(4.2)
|
(4.7)
|
|
| Amounts recognized in the balance sheet: |
|
|
|
| Accrued pension/OPEB costs, current |
(0.1)
|
(0.1)
|
|
| Accrued pension/OPEB costs, noncurrent |
(4.1)
|
(4.6)
|
|
| Total |
(4.2)
|
(4.7)
|
|
| Accumulated other comprehensive loss, Actuarial losses |
11.0
|
11.6
|
|
| Accumulated benefit obligations (ABO) |
17.8
|
18.6
|
|
| OPEB |
|
|
|
| Change in projected benefit obligations (PBO): |
|
|
|
| Benefit obligations at beginning of the year |
7.0
|
8.5
|
|
| Service cost |
0.1
|
0.1
|
0.1
|
| Interest cost |
0.3
|
0.3
|
0.4
|
| Actuarial losses (gains) |
(0.1)
|
(0.2)
|
|
| Change in currency exchange rates |
0.2
|
(1.3)
|
|
| Benefits paid |
(0.3)
|
(0.4)
|
|
| Benefit obligations at end of the year |
7.2
|
7.0
|
$ 8.5
|
| Change in plan assets: |
|
|
|
| Benefits paid |
(0.3)
|
(0.4)
|
|
| Funded status |
(7.2)
|
(7.0)
|
|
| Amounts recognized in the balance sheet: |
|
|
|
| Accrued pension/OPEB costs, current |
(0.3)
|
(0.3)
|
|
| Accrued pension/OPEB costs, noncurrent |
(6.9)
|
(6.7)
|
|
| Total |
(7.2)
|
(7.0)
|
|
| Accumulated other comprehensive loss, Actuarial losses |
2.9
|
3.1
|
|
| Accumulated other comprehensive loss, Prior service cost |
(5.5)
|
(6.2)
|
|
| Accumulated other comprehensive loss, Total |
$ (2.6)
|
$ (3.1)
|
|