Goodwill and Other Intangibles - Other Intangibles (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	$ 461,685
Acquisitions	44,378
Foreign currency translation adjustments and other	37,896
Gross Asset Value, End of Period	543,959
Accumulated Amortization, Beginning of Period	(107,121)
Amortization	(17,627)
Foreign currency translation adjustments and other	(2,798)
Accumulated Amortization, End of Period	(127,546)
Net Book Value	416,413	$ 354,564
Customer lists and relationships
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	387,893
Acquisitions	1,717
Foreign currency translation adjustments and other	28,461
Gross Asset Value, End of Period	418,071
Accumulated Amortization, Beginning of Period	(49,165)
Amortization	(14,811)
Foreign currency translation adjustments and other	(3,620)
Accumulated Amortization, End of Period	(67,596)
Net Book Value	350,475	338,728
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	16,514
Acquisitions	1,429
Foreign currency translation adjustments and other	913
Gross Asset Value, End of Period	18,856
Accumulated Amortization, Beginning of Period	(7,952)
Amortization	0
Foreign currency translation adjustments and other	(296)
Accumulated Amortization, End of Period	(8,248)
Net Book Value	10,608	8,562
Patents and technology
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	38,434
Acquisitions	25,555
Foreign currency translation adjustments and other	3,245
Gross Asset Value, End of Period	67,234
Accumulated Amortization, Beginning of Period	(31,683)
Amortization	(1,288)
Foreign currency translation adjustments and other	(1,816)
Accumulated Amortization, End of Period	(34,787)
Net Book Value	32,447	6,751
Other
Finite-Lived Intangible Assets [Line Items]
Gross Asset Value, Beginning of Period	18,844
Acquisitions	15,677
Foreign currency translation adjustments and other	5,277
Gross Asset Value, End of Period	39,798
Accumulated Amortization, Beginning of Period	(18,321)
Amortization	(1,528)
Foreign currency translation adjustments and other	2,934
Accumulated Amortization, End of Period	(16,915)
Net Book Value	$ 22,883	$ 523

Finite lived intangible assets accumulated amortization foreign exchange impact.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section 45
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

No definition available.

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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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

No definition available.

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Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for purchase accounting adjustments.

+ References

No definition available.

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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