Fair Value Measurements Fair Value Measurements (Detail 1) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
ASSETS
Cash Equivalents, at Carrying Value	$ 9,026	$ 5,616
Interest Rate Cash Flow Hedge Asset at Fair Value	545	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	1,154	0
Fair Value, Measurements, Recurring [Member]
ASSETS
Foreign currency forward contracts not designated as hedging instrument	1,534	1,912
Assets, Fair Value Disclosure	12,259	7,528
Liabilities [Abstract]
Interest Rate Derivative Liabilities, at Fair Value	27	1,292
Foreign Currency Cash Flow Hedge Liability at Fair Value	0	106
Foreign currency forward contracts not designated as hedging instrument	1,059	986
Derivative Liability, Fair Value, Gross Liability	1,086	2,384
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
ASSETS
Cash Equivalents, at Carrying Value	0	0
Interest Rate Cash Flow Hedge Asset at Fair Value	0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	0	0
Foreign currency forward contracts not designated as hedging instrument	0	0
Assets, Fair Value Disclosure	0	0
Liabilities [Abstract]
Interest Rate Derivative Liabilities, at Fair Value	0	0
Foreign Currency Cash Flow Hedge Liability at Fair Value	0	0
Foreign currency forward contracts not designated as hedging instrument	0	0
Derivative Liability, Fair Value, Gross Liability	0	0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
ASSETS
Cash Equivalents, at Carrying Value	9,026	5,616
Interest Rate Cash Flow Hedge Asset at Fair Value	545	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	1,154	0
Foreign currency forward contracts not designated as hedging instrument	1,534	1,912
Assets, Fair Value Disclosure	12,259	7,528
Liabilities [Abstract]
Interest Rate Derivative Liabilities, at Fair Value	27	1,292
Foreign Currency Cash Flow Hedge Liability at Fair Value	0	106
Foreign currency forward contracts not designated as hedging instrument	1,059	986
Derivative Liability, Fair Value, Gross Liability	1,086	2,384
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
ASSETS
Cash Equivalents, at Carrying Value	0	0
Interest Rate Cash Flow Hedge Asset at Fair Value	0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	0	0
Foreign currency forward contracts not designated as hedging instrument	0	0
Assets, Fair Value Disclosure	0	0
Liabilities [Abstract]
Interest Rate Derivative Liabilities, at Fair Value	0	0
Foreign Currency Cash Flow Hedge Liability at Fair Value	0	0
Foreign currency forward contracts not designated as hedging instrument	0	0
Derivative Liability, Fair Value, Gross Liability	$ 0	$ 0

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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