Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Other Intangible Assets and Other Assets [Abstract]

Schedule of Goodwill

The changes in the net carrying amount of goodwill for the three months ended March 31, 2013 are as follows:

Balance as of December 31, 2012, as reported	$	256,821
Goodwill resulting from a business acquisition purchase price allocation adjustment	(7,661		)
Balance as of December 31, 2012, as revised, and March 31, 2013	$	249,160

Schedule of Finite-Lived and Indefinite-Lived Intangible Assets

      Other intangible assets consist of the following:

	December 31, 2012					March 31, 2013
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Customer relationships	$	135,690	$	(50,083	)	$	135,690	$	(51,364	)
Patents and other intangible assets	54,412		(37,554		)	54,400		(38,261		)
Unamortized intangible assets:
Trademarks and tradenames	88,344		—			88,344		—
Balance	$	278,446	$	(87,637	)	$	278,434	$	(89,625	)

Schedule of Estimated Amortization Expense

The estimated amortization expense for the year ending December 31, 2013, including the three month period ended March 31, 2013 and for each of the five succeeding years is as follows:

2013	$	7,731
2014	7,115
2015	6,721
2016	6,619
2017	6,608
2018	6,550