Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Current assets
Cash and cash equivalents	$ 108,091	$ 86,789
Receivables, net of allowance of $6,886 and $9,530, respectively	88,267	92,967
Inventories	47,465	80,536
Fair asset value of derivative instruments	5,004	3,674
Current deferred tax asset, net	25,844	13,155
Prepaid expenses and other current assets	26,848	26,654
Total current assets	301,519	303,775
Property and equipment, net	52,608	47,131
Goodwill	201,103	199,296
Intangibles, net	74,712	52,348
Long-term deferred tax asset, net		17,646
Deferred charges and other assets, net	9,405	10,291
Total assets	639,347	630,487
Current liabilities
Accounts payable	22,583	18,569
Fair liability value of derivative instruments	453	3,322
Accrued expenses and other current liabilities	78,518	80,786
Unearned service contract revenue	40,799	40,903
Customer credit balances	85,976	67,214
Total current liabilities	228,329	210,794
Long-term debt	124,357	124,263
Long-term deferred tax liabilities, net	8,436
Other long-term liabilities	18,080	22,797
Partners' capital
Common unitholders	286,819	299,913
General partner	97	187
Accumulated other comprehensive loss, net of taxes	(26,771)	(27,467)
Total partners' capital	260,145	272,633
Total liabilities and partners' capital	$ 639,347	$ 630,487