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Other Long-Term Liabilities (Other Long-Term Liabilities) (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Other Liabilities Disclosure [Abstract]    
Accrued lease liability $ 10,700us-gaap_AccruedRentNoncurrent $ 10,700us-gaap_AccruedRentNoncurrent
Accrued Bonuses 1,160us-gaap_AccruedBonusesCurrentAndNoncurrent 578us-gaap_AccruedBonusesCurrentAndNoncurrent
Uncertain tax position 29,317us-gaap_LiabilityForUncertainTaxPositionsNoncurrent 26,356us-gaap_LiabilityForUncertainTaxPositionsNoncurrent
Dividends Payable 289us-gaap_DividendsPayableCurrentAndNoncurrent 68us-gaap_DividendsPayableCurrentAndNoncurrent
Total $ 41,466us-gaap_OtherLiabilitiesNoncurrent [1] $ 37,702us-gaap_OtherLiabilitiesNoncurrent [2]
[1] unaudited
[2] Note 1