Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Jun. 30, 2011
Current assets:
Cash and cash equivalents	$ 79,376	$ 78,519
Marketable securities (note 5)	11,107	12,909
Accounts receivable, less allowance for doubtful accounts of $1,335 at September 30, 2011 and $1,171 at June 30, 2011	14,643	15,036
Inventories (note 6)	141,050	141,692
Prepaid expenses and other current assets	21,255	20,372
Total current assets	267,431	268,528
Property, plant and equipment, net	291,535	294,853
Goodwill and other intangible assets	45,128	45,128
Restricted cash and investments (note 4)	15,395	16,391
Other assets	3,243	3,425
Total assets	622,732	628,325
Current liabilities:
Current maturities of long-term debt (note 9)		19
Customer deposits	57,742	62,649
Accounts payable	23,061	26,958
Accrued compensation and benefits	25,420	28,359
Accrued expenses and other current liabilities (note 7)	43,018	36,631
Total current liabilities	149,241	154,616
Long-term debt (note 9)	162,861	165,013
Other long-term liabilities	18,542	18,975
Deferred income taxes	7,932	8,034
Total liabilities	338,576	346,638
Shareholders' equity:
Preferred stock, par value $0.01; 1,055,000 shares authorized; no shares issued and outstanding at September 30, 2011 and June 30, 2011
Additional paid-in-capital	359,981	359,728
[StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest]	360,465	360,212
Less: Treasury stock (at cost), 19,623,385 shares at September 30, 2011 and 19,571,092 shares at June 30, 2011	(583,538)	(582,691)
Retained earnings	506,660	501,908
Accumulated other comprehensive income (note 13)	569	2,258
Total shareholders' equity	284,156	281,687
Total liabilities and shareholders' equity	622,732	628,325
Common Class A [Member]
Shareholders' equity:
Common Stock, Value	484	484
Common Class B [Member]
Shareholders' equity:
Common Stock, Value