|
Operating Revenue and Operating Income by Operating Segment (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2013
|
Jun. 30, 2012
|
|
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | $ 586.9 | $ 513.3 | $ 1,153.4 | $ 1,019.2 |
| Operating income | 158.1 | 129.0 | 307.1 | 257.3 |
|
U.S. Consumer Information Solutions [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | 259.7 | 217.6 | 504.8 | 427.9 |
| Operating income | 104.3 | 87.4 | 196.2 | 168.8 |
|
International [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | 129.8 | 119.5 | 253.5 | 240.5 |
| Operating income | 37.2 | 35.0 | 71.9 | 73.5 |
|
Workforce Solutions [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | 123.2 | 109.7 | 246.9 | 218.6 |
| Operating income | 38.3 | 26.6 | 75.7 | 52.8 |
|
North America Personal Solutions [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | 51.5 | 46.2 | 102.6 | 91.1 |
| Operating income | 14.2 | 12.4 | 28.7 | 23.7 |
|
North America Commercial Solutions [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating revenue | 22.7 | 20.3 | 45.6 | 41.1 |
| Operating income | 3.8 | 2.8 | 8.7 | 6.3 |
|
General Corporate Expenses [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Operating income | $ (39.7) | $ (35.2) | $ (74.1) | $ (67.8) |