Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Current assets:
Cash and cash equivalents	$ 54,472	$ 47,027
Accounts receivable, less allowance of $8,510 and $9,832 at September 30, 2014 and September 30, 2013, respectively	360,802	329,673
Inventories, net	301,626	251,370
Prepaid expenses and other current assets	66,828	62,422
Deferred income taxes	14,610	14,591
Total current assets	798,338	705,083
Property and equipment, net	88,565	67,659
Goodwill	466,206	469,203
Other assets, net	80,787	96,751
TOTAL ASSETS	1,433,896	1,338,696
Current liabilities:
Accounts payable	220,834	182,914
Accrued expenses	80,285	68,298
Borrowings under revolving lines of credit	18,514	47,426
Current portions of long-term obligations	16,602	15,098
Total current liabilities	336,235	313,736
Senior notes payable, net of current portion	185,625	196,875
Deferred income taxes	64,100	61,003
Long-term obligations under equipment financing and other, net of current portion	30,835	12,726
Total liabilities	616,795	584,340
Commitments and contingencies
Stockholders' equity:
Common stock (voting); $0.01 par value; 100,000,000 shares authorized; 49,392,774 issued and outstanding at September 30, 2014; and 48,984,550 issued and 48,898,622 outstanding at September 30, 2013	493	488
Undesignated Preferred Stock; 5,000,000 shares authorized, none issued or outstanding	0	0
Additional paid-in capital	328,059	312,962
Retained earnings	495,128	441,282
Accumulated other comprehensive income (loss)	(6,579)	(376)
Total stockholders' equity	817,101	754,356
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 1,433,896	$ 1,338,696