Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Goodwill and Other Intangible Assets

Schedule of goodwill and other intangible assets

	Gross Carrying Amount		Weighted- Average Amortization Period	Accumulated Amortization		Net Carrying Amount
As of December 31, 2011
Intangibles subject to amortization	$	85,847	15 years	$	6,853	$	78,994
Intangibles not subject to amortization:
Goodwill							120,045
Trademarks							15,455
Total goodwill and other intangible assets						$	214,494
As of December 31, 2010
Intangibles subject to amortization	$	5,854	7 years	$	2,895	$	2,959
Intangibles not subject to amortization:
Goodwill							6,507
Trademarks							15,452
Total goodwill and other intangible assets						$	24,918

Schedule of changes in goodwill

	Goodwill, Gross		Accumulated Impairment			Goodwill, Net
Balance at December 31, 2009	$	21,932	$	(15,425	)	$	6,507
Additions through acquisitions		—		—			—
Balance at December 31, 2010	$	21,932	$	(15,425	)	$	6,507
Additions through acquisitions		113,944		—			113,944
Impairment loss		—		(406	)		(406	)
Balance at December 31, 2011	$	135,876	$	(15,831	)	$	120,045

Schedule of expected amortization expense on existing intangible assets

Year ending December 31:
2012	$	8,638
2013		7,655
2014		6,785
2015		6,382
2016		4,920
Thereafter		44,614
	$	78,994