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Revolving Credit Facilities (Detail Textuals) (USD $)
In Millions, unless otherwise specified
 1 Months Ended 3 Months Ended 1 Months Ended 3 Months Ended 3 Months Ended
Mar. 30, 2013
Apr. 05, 2014
U.S.
Revolving credit facility
Mar. 14, 2014
U.S.
Revolving credit facility
Jun. 28, 2013
U.S.
Revolving credit facility
PNC Bank National Association
Mar. 30, 2013
U.S.
Revolving credit facility
Wells Fargo Bank
Apr. 05, 2014
U.S.
Revolving credit facility
Wells Fargo Bank
Jan. 04, 2014
U.S.
Revolving credit facility
Wells Fargo Bank
Apr. 05, 2014
U.S.
Letters of credit
Wells Fargo Bank
Jan. 04, 2014
U.S.
Letters of credit
Wells Fargo Bank
Line of Credit Facility [Line Items]                  
U.S. revolving credit facility maximum available credit less the uncommitted accordion feature           $ 447.5      
Line of credit accordion credit           75      
Date of the final maturity of revolving credit facility           Apr. 15, 2016      
Additional loan commitment     20.0 25.0          
Additional available credit utilized           20.0      
Debt issuance fees   0.1   0.1 2.8        
Net proceeds from rights offering 38.6                
Shares issued to stockholders on rights offering 22.9                
U.S. revolving credit facility maximum available credit less the uncommitted accordion feature plus the additional loan commitment     467.5            
U.S. revolving credit facility maximum available credit plus the uncommitted accordion feature           522.5      
Collateralized letter of credit securing insurance obligations               1.5  
Outstanding lines of credit           258.4 207.9    
Revolving credit facility excess availability           87.7 44.5    
Interest rate on revolving credit facility           3.80% 3.70%    
Outstanding letters of credit               3.6 3.6
Covenant description           As of April 5, 2014, our U.S. revolving credit facility, as amended, contains customary negative covenants and restrictions for asset based loans, including a requirement that we maintain a fixed charge coverage ratio of 1.1 to 1.0 in the event our excess availability falls below the greater of $33.2 million during the time the $20.0 million increase is outstanding and $31.8 million at all times thereafter or the amount equal to 12.5% of the lesser of the borrowing base or $467.5 million during the time the $20.0 million increase is outstanding, and $447.5 million at all times thereafter (the "Excess Availability Threshold").      
Revolving credit facility fixed charge coverage ratio requirement           1.1 to 1.0      
Minimum amount of revolving credit facility excess availability threshold           33.2      
Minimum amount of revolving credit facility excess availability threshold at all times thereafter           31.8      
Percentage of revolving credit facility excess availability threshold           12.50%      
Lowest level of fiscal month-end availability revolving credit facility           $ 44.5