Geographic Area and Products and Services Information - Summary of Net Sales for Services and Products (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Entity Wide Information Revenue From External Customer [Line Items] | |||
| Total services | $ 598.6 | $ 628.6 | $ 638.2 |
| Total products | 384.9 | 420.9 | 441.9 |
| Total net sales | 983.5 | 1,049.5 | 1,080.1 |
| Capital Markets | |||
| Entity Wide Information Revenue From External Customer [Line Items] | |||
| Total services | 387.6 | 431.0 | 442.3 |
| Total products | 168.5 | 193.9 | 203.7 |
| Investment Markets | |||
| Entity Wide Information Revenue From External Customer [Line Items] | |||
| Total services | 143.2 | 139.1 | 140.7 |
| Total products | 199.1 | 204.0 | 211.2 |
| Language Solutions and other | |||
| Entity Wide Information Revenue From External Customer [Line Items] | |||
| Total services | 67.8 | 58.5 | 55.2 |
| Total products | $ 17.3 | $ 23.0 | $ 27.0 |