Summary of Significant Accounting Policies (Schedule of Acquired Finite-Lived Intangible Assets by Major Class) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition cost	$ 69,287	$ 78,047
Accumulated amortization	(12,650)	(9,549)
Intangible Assets, Net (Excluding Goodwill), Total	56,637	68,498
Customer Lists [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition cost	33,686	37,736
Accumulated amortization	(6,687)	(5,031)
Intangible Assets, Net (Excluding Goodwill), Total	26,999	32,705
Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition cost	22,224	25,143
Accumulated amortization	(3,338)	(2,514)
Intangible Assets, Net (Excluding Goodwill), Total	18,886	22,629
Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition cost	13,327	15,111
Accumulated amortization	(2,575)	(1,947)
Intangible Assets, Net (Excluding Goodwill), Total	10,752	13,164
Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition cost	50	57
Accumulated amortization	(50)	(57)
Intangible Assets, Net (Excluding Goodwill), Total

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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)

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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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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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-Section 50

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-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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