Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2014

Summary of Changes in the Partnership's Goodwill

A summary of changes in the Partnership’s goodwill during the fiscal years ended September 30, 2014 and 2013 are as follows (in thousands):

Balance as of September 30, 2012	$	201,103
Fiscal year 2013 business combination		27
Balance as of September 30, 2013		201,130
Fiscal year 2014 business combinations		8,201
Balance as of September 30, 2014	$	209,331

Components of Intangible Assets Subject to Amortization

Intangible assets subject to amortization consist of the following (in thousands):

	September 30,
	2014						2013
	Gross Carrying Amount		Accum. Amortization		Net		Gross Carrying Amount		Accum. Amortization		Net
Customer lists	$	304,699	$	224,215	$	80,484	$	267,580	$	213,773	$	53,807
Trade names and other intangibles		24,070		3,771		20,299		20,431		7,448		12,983
Total	$	328,769	$	227,986	$	100,783	$	288,011	$	221,221	$	66,790

Estimated Annual Amortization Expense Related to Intangible Assets Subject to Amortization

Total estimated annual amortization expense related to intangible assets subject to amortization, for the year ended September 30, 2015 and the four succeeding fiscal years ended September 30, is as follows (in thousands):

	Amount
2015	$	13,229
2016	$	13,058
2017	$	12,538
2018	$	11,699
2019	$	11,464