v2.4.1.9
Commitments and Contingencies (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Commitments and Contingencies Disclosure [Abstract]    
Rent expense $ 3,100,000us-gaap_OperatingLeasesRentExpenseNet $ 2,700,000us-gaap_OperatingLeasesRentExpenseNet
Open purchase orders 67,715,000us-gaap_PurchaseObligation  
Other contract commitments and open purchase orders $ 28,108,000us-gaap_OtherCommitment