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BUSINESS DESCRIPTION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4) (USD $)
12 Months Ended
Jun. 30, 2012
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Jun. 30, 2011
Jun. 30, 2010
Self Insurance Accruals      
Number of workers' compensation analysis models 3    
Trailing period of paid medical and prescription claims used in health insurance analysis (in months) 12    
Trailing period of incurred medical and prescription claims used in health insurance analysis (in months) 24    
Increase (decrease) in self-insurance expense due to change in estimates related to prior year open policy periods $ 700,000 $ 1,400,000 $ 1,700,000
Change in self-insurance reserve that would affect (loss) income (as a percent) 10.00% 10.00% 10.00%
Effect of percentage change in the self-insurance reserve on income from continuing operations before income taxes and equity in (loss) income of affiliated companies 4,800,000 4,600,000 4,500,000
Number of times the entity updates loss projections each year 2    
Changes in workers' compensation self-insurance accrual      
Self-insurance accruals, current 15,500,000 14,700,000  
Self-insurance accruals, noncurrent 32,500,000 30,900,000  
Workers' compensation self-insurance
     
Changes in workers' compensation self-insurance accrual      
Beginning balance 32,994,000 30,082,000 31,505,000
Provision for incurred losses 14,133,000 13,993,000 14,739,000
Prior year actuarial loss development 1,221,000 2,231,000 35,000
Claim payments (14,140,000) (12,584,000) (14,867,000)
Other, net 415,000 (728,000) (1,330,000)
Ending balance $ 34,623,000 $ 32,994,000 $ 30,082,000