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Employee Benefit Plans (Tables)
12 Months Ended
Jun. 30, 2012
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]  
Employer Contributions
 
Fiscal Year Ended June 30,
 
2012
 
2011
 
2010
 
(in thousands)
Matching contributions
$
473

 
$
419

 
$
395

Discretionary contributions
5,066

 
5,952

 
3,200

Total contributions
$
5,539

 
$
6,371

 
$
3,595