REVENUE RECOGNITION: Impact on Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 71,146		$ 110,399
Receivables, net	33,737		52,430
Inventories	90,869		79,363
Other current assets	32,386		47,867
Total current assets	228,138		290,059
Property and equipment, net	83,629		99,288
Goodwill	378,560		412,643
Other intangibles, net	9,346		10,557
Other assets	32,768		37,616
Other assets	6,529		6,572
Total assets	738,970		856,735
Current liabilities:
Accounts payable	57,021		57,738
Accrued expenses	83,490		100,716
Total current liabilities	140,511		158,454
Long-term debt	90,000		90,000
Other noncurrent liabilities	115,144		121,843
Total liabilities	363,160		370,297
Commitments and contingencies (Note 7)
Shareholders’ equity:
Common stock, $0.05 par value; issued and outstanding 39,433,124 and 45,258,571 common shares at March 31, 2019 and June 30, 2018 respectively	1,972		2,263
Additional paid-in capital	93,515		194,436
Accumulated other comprehensive income	9,050		9,656
Retained earnings	271,273		280,083
Total shareholders’ equity	375,810	$ 425,010	486,438	$ 497,667	$ 514,173	$ 493,620
Total liabilities and shareholders’ equity	$ 738,970		856,735
Previously Reported
Current assets:
Cash and cash equivalents			110,399
Receivables, net			52,430
Inventories			79,363
Other current assets			47,867
Total current assets			290,059
Property and equipment, net			99,288
Goodwill			412,643
Other intangibles, net			10,557
Other assets			37,616
Other assets			6,572
Total assets			856,735
Current liabilities:
Accounts payable			57,738
Accrued expenses			97,630
Total current liabilities			155,368
Long-term debt			90,000
Other noncurrent liabilities			107,875
Total liabilities			353,243
Commitments and contingencies (Note 7)
Shareholders’ equity:
Common stock, $0.05 par value; issued and outstanding 39,433,124 and 45,258,571 common shares at March 31, 2019 and June 30, 2018 respectively			2,263
Additional paid-in capital			194,436
Accumulated other comprehensive income			9,568
Retained earnings			297,225
Total shareholders’ equity			503,492
Total liabilities and shareholders’ equity			856,735
Restatement Adjustment | Franchise Fees
Current assets:
Cash and cash equivalents			0
Receivables, net			0
Inventories			0
Other current assets			0
Total current assets			0
Property and equipment, net			0
Goodwill			0
Other intangibles, net			0
Other assets			0
Other assets			0
Total assets			0
Current liabilities:
Accounts payable			0
Accrued expenses			3,030
Total current liabilities			3,030
Long-term debt			0
Other noncurrent liabilities			18,346
Total liabilities			21,376
Shareholders’ equity:
Common stock, $0.05 par value; issued and outstanding 39,433,124 and 45,258,571 common shares at March 31, 2019 and June 30, 2018 respectively			0
Additional paid-in capital			0
Accumulated other comprehensive income			88
Retained earnings			(21,464)
Total shareholders’ equity			(21,376)
Total liabilities and shareholders’ equity			0
Restatement Adjustment | Advertising Funds
Current assets:
Cash and cash equivalents			0
Receivables, net			0
Inventories			0
Other current assets			0
Total current assets			0
Property and equipment, net			0
Goodwill			0
Other intangibles, net			0
Other assets			0
Other assets			0
Total assets			0
Current liabilities:
Accounts payable			0
Accrued expenses			0
Total current liabilities			0
Long-term debt			0
Other noncurrent liabilities			0
Total liabilities			0
Shareholders’ equity:
Common stock, $0.05 par value; issued and outstanding 39,433,124 and 45,258,571 common shares at March 31, 2019 and June 30, 2018 respectively			0
Additional paid-in capital			0
Accumulated other comprehensive income			0
Retained earnings			0
Total shareholders’ equity			0
Total liabilities and shareholders’ equity			0
Restatement Adjustment | Gift Card Breakage
Current assets:
Cash and cash equivalents			0
Receivables, net			0
Inventories			0
Other current assets			0
Total current assets			0
Property and equipment, net			0
Goodwill			0
Other intangibles, net			0
Other assets			0
Other assets			0
Total assets			0
Current liabilities:
Accounts payable			0
Accrued expenses			56
Total current liabilities			56
Long-term debt			0
Other noncurrent liabilities			0
Total liabilities			56
Shareholders’ equity:
Common stock, $0.05 par value; issued and outstanding 39,433,124 and 45,258,571 common shares at March 31, 2019 and June 30, 2018 respectively			0
Additional paid-in capital			0
Accumulated other comprehensive income			0
Retained earnings			(56)
Total shareholders’ equity			(56)
Total liabilities and shareholders’ equity			0
Restatement Adjustment | Taxes
Current assets:
Cash and cash equivalents			0
Receivables, net			0
Inventories			0
Other current assets			0
Total current assets			0
Property and equipment, net			0
Goodwill			0
Other intangibles, net			0
Other assets			0
Other assets			0
Total assets			0
Current liabilities:
Accounts payable			0
Accrued expenses			0
Total current liabilities			0
Long-term debt			0
Other noncurrent liabilities			(4,378)
Total liabilities			(4,378)
Shareholders’ equity:
Common stock, $0.05 par value; issued and outstanding 39,433,124 and 45,258,571 common shares at March 31, 2019 and June 30, 2018 respectively			0
Additional paid-in capital			0
Accumulated other comprehensive income			0
Retained earnings			4,378
Total shareholders’ equity			4,378
Total liabilities and shareholders’ equity			$ 0