Description of Business, Basis of Presentation and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Accounting Policies [Abstract]

Schedule of Estimated Useful Life of Intangible Assets with Finite Lives

These intangible assets are amortized on a straight-line basis over the following estimated useful lives, which are reviewed annually:

		Weighted Average
Trade names and trademarks (with finite lives)	5 - 20 years		16
Customer-related intangibles	6 - 25 years		22
Covenants-not-to-compete	2 - 7 years		5
Computer software	3 - 7 years		4
Patents and other	3 - 10 years		5