XML 33 R47.htm IDEA: XBRL DOCUMENT v2.4.0.6
Debt (Details Textual) (USD $)
In Millions, unless otherwise specified
 1 Months Ended 12 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended
Feb. 28, 2011
Jan. 31, 2013
Apr. 12, 2012
Jan. 31, 2013
Revolving Credit Facility [Member]
Oct. 31, 2011
Non Extended 2012 Revolving Credit Facility [Member]
Jan. 31, 2013
Non Extended 2012 Revolving Credit Facility [Member]
Jan. 31, 2013
Extended 2015 Revolving Credit Facility [Member]
Mar. 02, 2011
Extended 2015 Revolving Credit Facility [Member]
Apr. 30, 2012
Tranche B Term Loans [Member]
Jan. 31, 2013
Tranche B Term Loans [Member]
Jan. 31, 2013
Senior Subordinated Notes [Member]
Negotiated_Transactions
Jan. 31, 2012
Senior Subordinated Notes [Member]
Jan. 31, 2011
Senior Subordinated Notes [Member]
Jan. 31, 2013
Senior Secured Credit Agreement [Member]
Jan. 31, 2013
Extended Term Loans [Member]
Apr. 12, 2012
Extended Term Loans [Member]
Mar. 02, 2011
Extended Term Loans [Member]
Apr. 30, 2012
2016 Tranche B Term Loan [Member]
Jan. 31, 2013
Term Loans [Member]
Jan. 31, 2013
Non Extended Term Loans [Member]
Mar. 02, 2011
Non Extended Term Loans [Member]
Apr. 30, 2012
Amendment One [Member]
2016 Tranche B Term Loan [Member]
Apr. 12, 2012
Amendment One [Member]
2016 Tranche B Term Loan [Member]
Debt (Textual) [Abstract]                                              
Maximum borrowing capacity       $ 75.0                             $ 400.0        
Loan Amortization Rate                           1.00%                  
Term of revolving credit facility       6 years                                      
Term loan amortization description   Amortizing at a rate of 1.00% per year on a quarterly basis for the first six and three-quarters years with the balance paid at maturity                                          
Period of term Loan   7 years                                          
Amount outstanding           55.0   20.0     101.5         117.4 191.1       124.9    
Term Loan maturity date           Mar. 10, 2012         Mar. 15, 2016       Mar. 10, 2016         Mar. 10, 2013      
Debt Instrument, Maturity Date   Mar. 10, 2016         Mar. 10, 2015       Mar. 15, 2016                        
Commitment fees payable, percentage 0.375%                                            
Maximum revolving credit facility, after amendment           20.0                                  
Debt Instrument, Description of Variable Rate Basis                                           London Interbank Offered Rate, or LIBOR, -based loans of 4.0%  
Debt instrument annual rate                   5.00% 10.375%       4.21%               4.00%
Amount repaid     84.4                                        
Additional borrowing credit facility       150.0                                      
Increase In Interest Rate Margin             2.00%                                
Leverage Ratio                 0.0425                            
Issue Discount Percentage                                   1.50%          
Redemption Rate at Option of Holder                     101.00%                        
Cancellation of the non-extended 2012 revolving credit commitment         55.0                                    
Senior Subordinated Notes Face value                       200.0 200.0                    
Percentage of interest floor basis spread on term loan                                           LIBOR floor of 1.0%.  
Percentage of interest floor on term loan, fixed                                           1.00%  
Number of negotiation transactions                     2                        
Repurchased amount                     32.7 8.7 57.0                    
Gain (Loss) on Extinguishment of Debt                     $ 1.0 $ 0.2