Acquisitions, Price Allocation (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Sep. 30, 2011
Business Acquisition Allocation Details [Abstract]
Business acquisition cash	$ 2	$ 0
Business acquisition receivables	22,680	4,041
Business acquisition inventory	28,203	3,594
Business acquisition purchase price allocation other current assets	104	0
Business acquisition property and equipment	9,102	1,900
Business acquisition goodwill	5,856	1,823
Business acquisition intangibles	20,910	140
Business acquisition investments	199	0
Total assets acquired	87,056	11,498
Business acquisition accounts payable	24,976	4,498
Busniess acquisition accrued expenses	1,200	0
Total liabilities assumed	26,176	4,498
Net assets acquired	$ 60,880	$ 7,000