Commitments and Contingencies Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]

The following table summarizes our principal contractual commitments, excluding open orders for purchases that support normal operations, as of September 30, 2017 (in thousands):

	Payments Due By Period
	Total		Remainder of 2017		2018		2019		2020		2021		Thereafter
Long-term debt obligations	$	75,000	$	—	$	—	$	—	$	75,000	$	—	$	—
Interest payments on long-term debt obligations	7,475		763		3,198		3,215		299		—		—
Operating lease obligations	33,763		2,638		9,208		5,769		3,378		3,219		9,551
Purchase obligations(1)	97,970		5,513		4,477		14,005		34,757		39,218		—
Total contractual obligations	$	214,208	$	8,914	$	16,883	$	22,989	$	113,434	$	42,437	$	9,551

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⁽¹⁾ Purchase obligations includes agreements to purchase goods that are enforceable and legally binding. These amounts are not accrued as of September 30, 2017.