Intangible Assets and Acquisitions (Tables)

9 Months Ended

Sep. 30, 2013

Intangible Assets And Acquisitions (Tables) [Abstract]

Amortizable intangible assets consist of the following (in thousands):



		September 30, 2013				December 31, 2012
	Avg. Life (years)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Non-compete agreements	3	$	6,113	$	6,101	$	6,104	$	6,098
Customer relationships	2	72,876		71,459		71,816		70,001
Vendor relationships	11	7,538		1,562		7,538		1,136
Total		$	86,527	$	79,122	$	85,458	$	77,235

Estimated Amortization Expense

Estimated remaining amortization expense, assuming current intangible balances and no new acquisitions, for each of the years ending December 31, is as follows (in thousands):



	Estimated Amortization Expense
2013	$	461
2014	1,523
2015	722
2016	569
2017	568
Thereafter	3,562
Total	$	7,405

Changes in Recorded Goodwill

A summary of the changes in recorded goodwill follows (in thousands):



	Nine Months Ended			Year Ended
	September 30, 2013			December 31, 2012
Balance as of January 1,	$	1,344,665		$	1,339,125
Additions from acquisitions	9,779			6,874
Store dispositions and write-down	(797		)	(1,221		)
Post purchase price allocation adjustments	294			(113		)
Balance as of the end of the period	$	1,353,941		$	1,344,665