|
Operating Revenue and Operating Income by Operating Segment (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
|
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | $ 572.0 | $ 520.0 | $ 1,725.4 | $ 1,539.2 |
| Operating income | 150.0 | 130.5 | 457.1 | 387.8 |
|
U.S. Consumer Information Solutions [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | 253.1 | 219.8 | 757.9 | 647.7 |
| Operating income | 95.8 | 88.1 | 292.0 | 256.9 |
|
International [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | 128.5 | 121.1 | 382.0 | 361.6 |
| Operating income | 38.6 | 33.1 | 110.5 | 106.6 |
|
Workforce Solutions [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | 115.0 | 111.8 | 361.9 | 330.4 |
| Operating income | 34.5 | 28.4 | 110.2 | 81.3 |
|
North America Personal Solutions [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | 52.3 | 46.1 | 154.9 | 137.2 |
| Operating income | 13.7 | 13.1 | 42.4 | 36.8 |
|
North America Commercial Solutions [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | 23.1 | 21.2 | 68.7 | 62.3 |
| Operating income | 4.0 | 4.0 | 12.7 | 10.3 |
|
General Corporate Expenses [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating income | $ (36.6) | $ (36.2) | $ (110.7) | $ (104.1) |