Financing (Long-Term Debt Narratives) (Details) - USD ($)					3 Months Ended	6 Months Ended
	Oct. 28, 2016	Aug. 04, 2016	Jul. 01, 2015	Apr. 02, 2015	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Line of Credit Facility [Line Items]
Long-term Debt					$ 55,092,000	$ 55,092,000		$ 71,086,000
Credit agreement distributions allowable, amount						2,000,000
Amount available for dividend distribution without affecting capital adequacy requirements					6,000,000	6,000,000
Principal payments on long-term borrowings	$ 1,117,000	$ 15,000,000				16,117,000	$ 3,000,000
Derivative, term of contract			5 years
Fixed quarterly interest rate			152.00%
Derivative notional amount			$ 39,250,000
Outstanding balance, percent			50.00%
Derivative, gain on derivative					(580,000)	(825,000)	(382,000)
Derivative, loss on derivative							$ 175,000
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity					25,000,000	25,000,000
Amount outstanding					0	0
Term Loan [Member]
Line of Credit Facility [Line Items]
Long-term Debt				$ 80,000,000
Letter of Credit [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity					5,000,000	5,000,000
Amount outstanding					100,000	100,000
Swing Line of Credit [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity					5,000,000	5,000,000
Amount outstanding					$ 0	$ 0
Long-term Debt [Member]
Line of Credit Facility [Line Items]
Long-term debt, weighted average interest rate					3.03%	3.03%
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				100.00%
Base Rate [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				50.00%
Minimum [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee percentage				25.00%
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				200.00%
Minimum [Member] | Base Rate [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				100.00%
Maximum [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee percentage				40.00%
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				275.00%
Maximum [Member] | Base Rate [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate				175.00%
Debt Instrument, Redemption, Period One [Member] | Long-term Debt [Member]
Line of Credit Facility [Line Items]
Debt instrument, periodic payment				$ 1,500,000
Debt Instrument, Redemption, Period Two [Member] | Long-term Debt [Member]
Line of Credit Facility [Line Items]
Debt instrument, periodic payment				2,000,000
Debt Instrument, Redemption, Period Three [Member] | Long-term Debt [Member]
Line of Credit Facility [Line Items]
Debt instrument, periodic payment				2,500,000
U.S. Segment [Member]
Line of Credit Facility [Line Items]
Deferred finance costs				$ 1,224,000
Class A Common Stock [Member]
Line of Credit Facility [Line Items]
Stock repurchase program, authorized amount					$ 15,000,000	$ 15,000,000
Interest Rate Swap [Member]
Line of Credit Facility [Line Items]
Interest rate swap not designated as cash flow hedge					$ 38,000	$ 38,000		$ 863,000