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Subsequent Events (Notes)	6 Months Ended
Subsequent Events (Notes)	Dec. 31, 2015
Subsequent Event [Line Items]
Subsequent Events [Text Block]	10. SUBSEQUENT EVENTS We have evaluated events and transactions occurring subsequent to December 31, 2015 through the date the financial statements were issued. On January 4, 2016, the Company acquired substantially all of the net assets of HUB Industrial Supply ("HUB") for a purchase price of $33,000. The Company funded this acquisition from borrowings under the revolving credit facility at a variable interest rate. HUB is a distributor of consumable industrial products and will be included in the Service Center Based Distribution Segment from January 4, 2016.