Quarterly report pursuant to Section 13 or 15(d)

Repurchase of Common Stock (Details)

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Repurchase of Common Stock (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 0 Months Ended 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jan. 23, 2013
Mar. 30, 2013
Mar. 02, 2013
Feb. 02, 2013
Mar. 30, 2013
Mar. 30, 2013
Jun. 30, 2012
Equity [Abstract]              
Increase in value of shares authorized to be repurchased $ 10.0            
Authorized amount 30.0       30.0   20.0
Shares repurchased (shares)         103,571 316,322  
Aggregated number of shares repurchased (shares)   1,685,869     1,685,869 1,685,869  
Shares repurchased, value         1.5 4.5  
Aggregated shares repurchased, value   18.8     18.8 18.8  
Remaining authorized amount   11.2 11.3 11.4 11.2 11.2  
Purchases of Common Stock [Abstract]              
Shares of common stock purchased (shares)   3,095 5,993 94,483 103,571    
Average price paid per share (usd per share)   $ 15.85 $ 15.96 $ 14.18 $ 14.34    
Total number of shares purchased as part of publicly announced plans (shares)   3,095 5,993 94,483 103,571    
Dollar value of shares that may yet be purchased under the plans   $ 11.2 $ 11.3 $ 11.4 $ 11.2 $ 11.2