Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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Debt - Summary of Senior Credit Facility (Details) - USD ($) $ in Thousands	6 Months Ended	9 Months Ended
	Jun. 30, 2018	Sep. 30, 2016	Dec. 31, 2017
Debt Instrument
Debt and capital lease obligation	$ 85,974		$ 101,931
Term Loan
Debt Instrument
Debt and capital lease obligation	$ 49,981	$ 50,000	49,915
Term Loan \| LIBOR
Debt Instrument
Basis spread	1.45%	1.45%
Revolver \| Yen
Debt Instrument
Debt and capital lease obligation	$ 20,797		22,047
Interest rate on debt	1.50%
Revolver \| Euro
Debt Instrument
Debt and capital lease obligation	$ 15,196		$ 29,969
Interest rate on debt	1.50%