|
Commitments and Contingencies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Loss Contingencies [Line Items] | ||
| Accrual for the probable payment of pending claims | $ 25,952 | |
|
Fair Value, Inputs, Level 3
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| Loss Contingencies [Line Items] | ||
| Fair value of contingent purchase price commitments | $ 18,460 | $ 18,249 |