Debt (Details Textual) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Line of Credit Facility [Line Items]
Line Of Credit Facility Maximum Borrowing Capacity After Consideration Of Capacity Constraint	$ 125,000,000	$ 115,338,000
Debt (Textual) [Abstract]
Senior secured revolving credit facility	125,000,000	125,000,000
Line of Credit Facility, Expiration Date	Nov. 07, 2016
Limit on asset dispositions	15,000,000
Additional Margin on LIBOR loans, Minimum	1.75%
Additional Margin on LIBOR loans, Maximum	2.50%
Additional Margin on alternate base rate loans, Minimum	0.75%
Additional Margin on alternate base rate loans, Maximum	1.50%
Senior Leverage Ratio, Maximum	250.00%
Senior Leverage Ratio, Minimum	100.00%
Fixed Charge Coverage Ratio, Maximum	1.25
Fixed Charge Coverage Ratio, Minimum	1.0
Maximum limit of consolidated funded indebtedness	2.5
Consolidated EBITDA as defined in the Credit Agreement	53,300,000
Consolidated Funded Indebtedness	6,600,000
Additional Margin on CDOR loans, Minimum	1.75%
Additional Margin on CDOR loans, Maximum	2.50%
Additional Margin on Canadian prime rate loans, Minimum	2.25%
Additional Margin on Canadian prime rate loans, Maximum	3.00%
CDOR Rate description	Sum of the annual rate of interest which is the rate determined as being the arithmetic average of the quotations of all institutions listed in respect of the relevant CDOR interest period for Canadian Dollar denominated bankers’ acceptances, plus 0.1%
Canadian prime rate description	Greater of (i) the rate of interest per annum most recently announced or established by JPMorgan Chase Bank, N.A., Toronto Branch as its reference rate in effect on such day for determining interest rates for Canadian Dollar denominated commercial loans in Canada and (ii) the CDOR Rate plus 1.0%
Sublimit on Canadian dollar borrowings	$ 15,000,000
Minimum [Member]
Line of Credit Facility [Line Items]
Unused Credit Facility Fee	0.30%
Maximum [Member]
Line of Credit Facility [Line Items]
Unused Credit Facility Fee	0.45%
CDOR Rate [Member]
Line of Credit Facility [Line Items]
Spread on variable rate basis (percent)	0.10%
Canadian Prime Rate [Member]
Line of Credit Facility [Line Items]
Spread on variable rate basis (percent)	1.00%