Annual report pursuant to Section 13 and 15(d)

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

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Business Acquisition (Schedule of Identifiable Intangible Assets Acquired as Part of Business Combination) (Details)
 12 Months Ended
Dec. 31, 2015
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
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]  
Estimated useful life 1 year