Intangible Assets (Intangible Assets, Net, Other Than Goodwill) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Intangible assets with finite lives: Gross	$ 263,215	$ 262,429
Intangible assets with finite lives: Accumulated Amortization	(122,134)	(104,963)
Intangible assets with finite lives: Net	$ 141,081	157,466
Weighted Average Useful Life Remaining (in years)	5 years
Patents Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets with finite lives: Gross	$ 16,377	16,251
Intangible assets with finite lives: Accumulated Amortization	(5,457)	(4,895)
Intangible assets with finite lives: Net	$ 10,920	11,356
Weighted Average Useful Life Remaining (in years)	8 years
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets with finite lives: Gross	$ 53,161	52,809
Intangible assets with finite lives: Accumulated Amortization	(22,075)	(16,405)
Intangible assets with finite lives: Net	$ 31,086	36,404
Weighted Average Useful Life Remaining (in years)	4 years
Internally Developed Software [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets with finite lives: Gross	$ 4,730	4,730
Intangible assets with finite lives: Accumulated Amortization	(3,220)	(2,919)
Intangible assets with finite lives: Net	$ 1,510	1,811
Useful Life (in years)	3 years
Weighted Average Useful Life Remaining (in years)	3 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets with finite lives: Gross	$ 102,585	101,933
Intangible assets with finite lives: Accumulated Amortization	(42,315)	(36,158)
Intangible assets with finite lives: Net	$ 60,270	65,775
Weighted Average Useful Life Remaining (in years)	7 years
Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets with finite lives: Gross	$ 11,808	12,163
Intangible assets with finite lives: Accumulated Amortization	(8,916)	(8,558)
Intangible assets with finite lives: Net	$ 2,892	3,605
Weighted Average Useful Life Remaining (in years)	3 years
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets with finite lives: Gross	$ 28,352	28,108
Intangible assets with finite lives: Accumulated Amortization	(14,386)	(12,498)
Intangible assets with finite lives: Net	$ 13,966	15,610
Weighted Average Useful Life Remaining (in years)	6 years
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets with finite lives: Gross	$ 46,202	46,435
Intangible assets with finite lives: Accumulated Amortization	(25,765)	(23,530)
Intangible assets with finite lives: Net	$ 20,437	$ 22,905
Weighted Average Useful Life Remaining (in years)	5 years
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	1 year
Minimum [Member] \| Patents Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	1 year
Minimum [Member] \| Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	2 years
Minimum [Member] \| Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	2 years
Minimum [Member] \| Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	2 years
Minimum [Member] \| Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	1 year
Minimum [Member] \| Other [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	1 year
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	19 years
Maximum [Member] \| Patents Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	19 years
Maximum [Member] \| Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	15 years
Maximum [Member] \| Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	15 years
Maximum [Member] \| Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	5 years
Maximum [Member] \| Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	9 years
Maximum [Member] \| Other [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	7 years

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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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=26713463&loc=d3e16323-109275

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- Definition

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

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

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