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Financing Long-Term Debt Narratives (Details) - USD ($)						12 Months Ended
Financing Long-Term Debt Narratives (Details) - USD ($)	Aug. 14, 2017	Jul. 06, 2017	Jun. 28, 2017	Jul. 01, 2015	Apr. 02, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015	Feb. 01, 2016
Line of Credit Facility [Line Items]
Total debt						$ 53,403,000	$ 71,086,000
Proceeds from long-term borrowings						55,000,000	0	$ 100,000,000
Repayments of long-term debt						72,000,000	6,500,000	$ 21,500,000
Unamortized debt issuance costs						671,000
Derivative, term of contract				5 years
Fixed quarterly interest rate				1.52%
Derivative notional amount				$ 39,250,000
Outstanding balance, percent				50.00%
Derivative, gain on derivative						912,000
Derivative, loss on derivative							$ (863,000)
Revolving Credit [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 35,000,000			$ 25,000,000
Secured Debt [Member]
Line of Credit Facility [Line Items]
Total debt			160,000,000		$ 80,000,000
Long-term Debt [Member]
Line of Credit Facility [Line Items]
Interest rate, effective percentage							2.96%	2.77%
Weighted average interest rate							2.83%	3.08%
London Interbank Offered Rate (LIBOR) [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate					1.00%
Federal Funds Effective Swap Rate [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate					0.50%
Minimum [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage					0.25%
Minimum [Member] \| Base Rate [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate					1.00%
Minimum [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate					2.00%
Maximum [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage					0.40%
Maximum [Member] \| Base Rate [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate					1.75%
Maximum [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate					2.75%
U.S. Segment [Member]
Line of Credit Facility [Line Items]
Debt issuance costs, gross					$ 1,224,000
Class A Common Stock [Member]
Line of Credit Facility [Line Items]
Stock repurchase program, authorized amount									$ 15,000,000
Credit Agreement [Member] \| Term Loan [Member]
Line of Credit Facility [Line Items]
Maximum amount, purchase of stock or stock options			2,000,000
Maximum amount, share repurchase			20,000,000
Maximum amount, dividend and distributions			6,000,000
Incremental term loan maximum borrowing capacity			50,000,000
Total debt			$ 926,000
Credit Agreement [Member] \| Term Loan [Member] \| Base Rate [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate			1.00%
Credit Agreement [Member] \| Term Loan [Member] \| Federal Funds Effective Swap Rate [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.50%
Credit Agreement [Member] \| Term Loan [Member] \| Minimum [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage			0.25%
Credit Agreement [Member] \| Term Loan [Member] \| Minimum [Member] \| Base Rate [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.75%
Credit Agreement [Member] \| Term Loan [Member] \| Minimum [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate			1.75%
Credit Agreement [Member] \| Term Loan [Member] \| Maximum [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage			0.50%
Credit Agreement [Member] \| Term Loan [Member] \| Maximum [Member] \| Base Rate [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate			2.00%
Credit Agreement [Member] \| Term Loan [Member] \| Maximum [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Revolving Credit [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate			3.00%
Credit Agreement [Member] \| June 2017 Term Loan [Member]
Line of Credit Facility [Line Items]
Total debt			$ 55,000,000
Proceeds from long-term borrowings			55,000,000
Credit Agreement [Member] \| June 2017 Term Loan [Member] \| Debt Instrument, Redemption, Period One [Member] \| Long-term Debt [Member]
Line of Credit Facility [Line Items]
Periodic payment			700,000
Credit Agreement [Member] \| June 2017 Term Loan [Member] \| Debt Instrument, Redemption, Period Two [Member] \| Long-term Debt [Member]
Line of Credit Facility [Line Items]
Periodic payment			1,000,000
Credit Agreement [Member] \| June 2017 Term Loan [Member] \| Debt Instrument, Redemption, Period Three [Member] \| Long-term Debt [Member]
Line of Credit Facility [Line Items]
Periodic payment			$ 1,400,000
Subsequent Event [Member]
Line of Credit Facility [Line Items]
Repayments of long-term debt	$ 50,000,000
Subsequent Event [Member] \| Credit Agreement [Member] \| July 2017 Term Loan [Member]
Line of Credit Facility [Line Items]
Total debt		$ 105,000,000
Proceeds from long-term borrowings		105,000,000
Debt issuance costs, gross		1,148,000
Subsequent Event [Member] \| Credit Agreement [Member] \| July 2017 Term Loan [Member] \| Debt Instrument, Redemption, Period One [Member] \| Long-term Debt [Member]
Line of Credit Facility [Line Items]
Periodic payment		1,300,000
Subsequent Event [Member] \| Credit Agreement [Member] \| July 2017 Term Loan [Member] \| Debt Instrument, Redemption, Period Two [Member] \| Long-term Debt [Member]
Line of Credit Facility [Line Items]
Periodic payment		2,000,000
Subsequent Event [Member] \| Credit Agreement [Member] \| July 2017 Term Loan [Member] \| Debt Instrument, Redemption, Period Three [Member] \| Long-term Debt [Member]
Line of Credit Facility [Line Items]
Periodic payment		$ 2,600,000