Intangible Assets (Estimated Useful Lives Of Intangible Assets) (Details)	6 Months Ended
	Jun. 30, 2015
Trademarks [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets	1 year
Trademarks [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets	10 years
Contracts-Owned Equipment [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets	5 years
Contracts-Owned Equipment [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets	7 years