|
Segment Information - Components of Adjusted Capital Expenditures (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
|
| Segment Reporting [Abstract] | ||
| Additions to property and equipment | $ 51,639 | $ 52,701 |
| Capitalized implementation costs | 7,653 | 22,029 |
| Adjusted capital expenditures | $ 59,292 | $ 74,730 |