Commitments and Contingencies Contractual Obligations (Details) $ in Thousands	Mar. 31, 2017 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Long-term Debt	$ 75,000
Long-term Debt, Maturities, Repayments of Principal in Year Two	0
Long-term Debt, Maturities, Repayments of Principal in Year Three	0
Long-term Debt, Maturities, Repayments of Principal in Year Four	75,000
Long-term Debt, Maturities, Repayments of Principal in Year Five	0
Other Commitment	9,015
Other Commitments, Future Minimum Payments, Remainder of Fiscal Year	2,287
Other Commitment, Due in Second Year	3,205
Other Commitment, Due in Third Year	3,223
Other Commitment, Due in Fourth Year	300
Other Commitment, Due in Fifth Year	0
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year	0
Operating Leases, Future Minimum Payments Due	26,547
Operating Leases, Future Minimum Payments Due, Next Twelve Months	6,375
Operating Leases, Future Minimum Payments, Due in Two Years	8,133
Operating Leases, Future Minimum Payments, Due in Three Years	5,515
Operating Leases, Future Minimum Payments, Due in Four Years	3,312
Operating Leases, Future Minimum Payments, Due in Five Years	3,212
Purchase Obligation	103,716
Purchase Obligation, Due in Next Twelve Months	11,259
Purchase Obligation, Due in Second Year	4,477
Purchase Obligation, Due in Third Year	14,005
Purchase Obligation, Due in Fourth Year	34,757
Purchase Obligation, Due after Fifth Year	39,218
Contractual Obligation	214,278
Contractual Obligation, Future Minimum Payments Due, Remainder of Fiscal Year	19,921
Contractual Obligation, Due in Second Year	15,815
Contractual Obligation, Due in Third Year	22,743
Contractual Obligation, Due in Fourth Year	113,369
Contractual Obligation, Due in Fifth Year	$ 42,430