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Commitments & Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Commitments for Minimum Lease Payments Under Non Cancelable Operating Leases

Commitments for minimum lease payments under non-cancelable operating and capital leases as of December 31, 2017 are as follows (in thousands):

	Operating Leases				Capital Leases
2018	$	8,538			$	230
2019	8,437				71
2020	7,409				14
2021	6,458				7
2022	6,220				4
Thereafter	17,206				—
	$	54,268			$	326

Future Purchase Commitments

Future purchase commitments as of December 31, 2017, are as follows (in thousands):

2018	$	39,338
2019	18,841
2020	8,519
2021	4,093
2022	1,668
	$	72,459

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- References

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- Definition

Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 303
-Paragraph a
-Subparagraph 5

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Tabular disclosure of unconditional purchase obligations that are not recognized as a liability on the balance sheet, including the nature and significant terms of an unconditional purchase obligation; the amount of the fixed and determinable portion of the obligation as of the date of the latest balance sheet presented in the aggregate and, if determinable, for each of the five succeeding fiscal years; the nature of any variable components of the obligation; the amount purchased under the obligation (for example, the take-or-pay or throughput contract) for the reporting period; and may include the amount of imputed interest necessary to reduce the obligation to present value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=73718637&loc=d3e25287-109308

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=73718637&loc=d3e25336-109308

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