|
Lease Abandonment - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2011
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Leases [Abstract] | |||
| Non-cash operating charge | $ 2.2 | ||
| Lease abandonment accrual | $ 1.2 | $ 1.8 |