Annual report pursuant to Section 13 and 15(d)

Business Acquisition (Schedule of Identifiable Intangible Assets Acquired as Part of Business Combination) (Details)

v2.4.1.9
Business Acquisition (Schedule of Identifiable Intangible Assets Acquired as Part of Business Combination) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]  
Finite-lived Intangible Assets Acquired $ 114,500us-gaap_FinitelivedIntangibleAssetsAcquired1
Minimum [Member]  
Acquired Finite-Lived Intangible Assets [Line Items]  
Estimated useful life 3 years
Maximum [Member]  
Acquired Finite-Lived Intangible Assets [Line Items]  
Estimated useful life 10 years
Trade Name [Member]  
Acquired Finite-Lived Intangible Assets [Line Items]  
Indefinite-lived Intangible Assets Acquired 88,000us-gaap_IndefinitelivedIntangibleAssetsAcquired
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
Customer Relationships [Member]  
Acquired Finite-Lived Intangible Assets [Line Items]  
Finite-lived Intangible Assets Acquired 23,000us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Customer Relationships [Member] | Minimum [Member]  
Acquired Finite-Lived Intangible Assets [Line Items]  
Estimated useful life 3 years
Customer Relationships [Member] | Maximum [Member]  
Acquired Finite-Lived Intangible Assets [Line Items]  
Estimated useful life 10 years
Order Backlog [Member]  
Acquired Finite-Lived Intangible Assets [Line Items]  
Finite-lived Intangible Assets Acquired $ 3,500us-gaap_FinitelivedIntangibleAssetsAcquired1
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_OrderOrProductionBacklogMember
Estimated useful life 1 year