Employee Benefit Plans - Summary of Severance Associated with Cost Reduction Programs (Detail) |
6 Months Ended |
---|---|
Jun. 30, 2015
USD ($)
| |
Compensation And Retirement Disclosure [Abstract] | |
Severance expenses payable, opening balance | $ 6,274,000 |
Severance expense, net of reversals | (607,000) |
Severance payments | (1,510,000) |
Severance foreign currency translation | (21,000) |
Severance expenses payable, ending balance | $ 4,136,000 |