Employee Benefit Plans - Composition of Pension Plan Assets (Detail) - USD ($)
$ in Millions |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
$ 371.5
|
$ 372.0
|
$ 414.8
|
| United States Pension Plans of US Entity, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
13.6
|
13.9
|
$ 15.5
|
| Defined Benefit Pension Plans |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
385.2
|
385.9
|
|
| Defined Benefit Pension Plans | Other Defined Benefit Pension Plans |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
11.7
|
11.2
|
|
| Level 1 | Defined Benefit Pension Plans |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
141.0
|
135.8
|
|
| Level 1 | Defined Benefit Pension Plans | Other Defined Benefit Pension Plans |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
3.5
|
3.5
|
|
| Level 2 | Defined Benefit Pension Plans |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
13.7
|
13.9
|
|
| Level 3 | Defined Benefit Pension Plans |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
230.5
|
236.2
|
|
| Level 3 | Defined Benefit Pension Plans | Other Defined Benefit Pension Plans |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
8.2
|
7.7
|
|
| Germany | Defined Benefit Pension Plans | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
217.0
|
223.1
|
|
| Germany | Level 3 | Defined Benefit Pension Plans | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
217.0
|
223.1
|
|
| Canada | Defined Benefit Pension Plans | Local Currency Equities Member | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
14.8
|
9.6
|
|
| Canada | Defined Benefit Pension Plans | Non Local Currency Equities | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
19.7
|
23.3
|
|
| Canada | Defined Benefit Pension Plans | Local Currency Fixed Income | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
59.5
|
50.6
|
|
| Canada | Defined Benefit Pension Plans | Global Mutual Fund | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
|
6.8
|
|
| Canada | Defined Benefit Pension Plans | Cash And Other | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
0.4
|
0.5
|
|
| Canada | Level 1 | Defined Benefit Pension Plans | Local Currency Equities Member | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
14.8
|
9.6
|
|
| Canada | Level 1 | Defined Benefit Pension Plans | Non Local Currency Equities | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
19.7
|
23.3
|
|
| Canada | Level 1 | Defined Benefit Pension Plans | Local Currency Fixed Income | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
59.5
|
50.6
|
|
| Canada | Level 1 | Defined Benefit Pension Plans | Global Mutual Fund | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
|
6.8
|
|
| Canada | Level 1 | Defined Benefit Pension Plans | Cash And Other | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
0.4
|
0.5
|
|
| Norway | Defined Benefit Pension Plans | Local Currency Equities Member | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
1.6
|
2.0
|
|
| Norway | Defined Benefit Pension Plans | Non Local Currency Equities | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
4.1
|
3.6
|
|
| Norway | Defined Benefit Pension Plans | Local Currency Fixed Income | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
23.2
|
24.5
|
|
| Norway | Defined Benefit Pension Plans | Cash And Other | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
9.9
|
7.9
|
|
| Norway | Defined Benefit Pension Plans | Non Local Currency Fixed Income | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
5.4
|
4.7
|
|
| Norway | Defined Benefit Pension Plans | Real Estate | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
4.2
|
4.2
|
|
| Norway | Level 1 | Defined Benefit Pension Plans | Local Currency Equities Member | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
1.6
|
2.0
|
|
| Norway | Level 1 | Defined Benefit Pension Plans | Non Local Currency Equities | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
4.1
|
3.6
|
|
| Norway | Level 1 | Defined Benefit Pension Plans | Local Currency Fixed Income | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
23.2
|
24.5
|
|
| Norway | Level 1 | Defined Benefit Pension Plans | Cash And Other | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
8.8
|
6.7
|
|
| Norway | Level 1 | Defined Benefit Pension Plans | Non Local Currency Fixed Income | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
5.4
|
4.7
|
|
| Norway | Level 3 | Defined Benefit Pension Plans | Cash And Other | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
1.1
|
1.2
|
|
| Norway | Level 3 | Defined Benefit Pension Plans | Real Estate | Foreign Pension Plans, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
4.2
|
4.2
|
|
| United States | Defined Benefit Pension Plans | CMRT | United States Pension Plans of US Entity, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
13.7
|
13.9
|
|
| United States | Level 2 | Defined Benefit Pension Plans | CMRT | United States Pension Plans of US Entity, Defined Benefit |
|
|
|
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
|
|
|
| Pension plan assets |
$ 13.7
|
$ 13.9
|
|