Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013	Jun. 30, 2013
Current assets:
Cash and cash equivalents	$ 26,405	$ 47,027	$ 26,375
Accounts receivable, less allowance of $8,458, $9,832 and $10,989 at June 30, 2014, September 30, 2013 and June 30, 2013, respectively	352,554	329,673	313,698
Inventories	399,619	251,370	335,438
Prepaid expenses and other assets	72,048	62,422	82,166
Deferred income taxes	14,376	14,591	14,424
Total current assets	865,002	705,083	772,101
Property and equipment, net	81,433	67,659	64,022
Goodwill	467,916	469,203	468,388
Other assets, net	84,841	96,751	100,852
TOTAL ASSETS	1,499,192	1,338,696	1,405,363
Current liabilities:
Accounts payable	227,630	182,914	253,262
Accrued expenses	102,539	68,298	98,425
Borrowings under revolving lines of credit	88,331	47,426	45,006
Current portion of long-term obligations	15,466	15,098	15,585
Total current liabilities	433,966	313,736	412,278
Senior notes payable, net of current portion	188,438	196,875	199,688
Deferred income taxes	60,024	61,003	57,618
Long-term obligations under equipment financing and other, net of current portion	23,152	12,726	13,930
Total liabilities	705,580	584,340	683,514
Commitments and contingencies
Stockholders' equity:
Common stock (voting); $.01 par value; 100,000,000 shares authorized; 49,334,088 issued and outstanding at June 30, 2014, 48,984,550 issued and 48,898,622 outstanding at September 30, 2013, and 48,864,262 issued and 48,777,734 outstanding at June 30, 2013	493	488	488
Undesignated preferred stock; 5,000,000 shares authorized, none issued or outstanding	0	0	0
Additional paid-in capital	325,086	312,962	308,422
Retained earnings	470,921	441,282	413,876
Accumulated other comprehensive income (loss)	(2,888)	(376)	(937)
Total stockholders' equity	793,612	754,356	721,849
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,499,192	$ 1,338,696	$ 1,405,363