Commitments and Contingencies - Schedule of Future Minimum Annual Commitments (Details) $ in Thousands	Mar. 31, 2016 USD ($)
Operating Leases
2015	$ 33,721
2016	46,960
2017	57,211
2018	52,363
2019	48,687
Thereafter	157,427
Total future lease commitments	396,369
Minimum Purchase Commitments
2015	22,109
2016	19,861
2017	17,222
2018	12,967
2019	4,258
Thereafter	14,850
Total future purchase commitments	$ 91,267