Annual report pursuant to Section 13 and 15(d)

Borrowings (Details Textual 3)

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Borrowings (Details Textual 3) (Other [Member], USD $)
0 Months Ended 0 Months Ended 0 Months Ended
Dec. 04, 2012
Accounts Receivable Securitization Facility [Member]
Jun. 07, 2013
Accounts Receivable Securitization Facility [Member]
Oct. 01, 2013
Amended Accounts Receivable Securitization Facility [Member]
Feb. 28, 2014
Amended Accounts Receivable Securitization Facility [Member]
lender
Oct. 01, 2013
Crown Accounts Receivable Securitization Facility [Member]
Feb. 28, 2014
Crown Accounts Receivable Securitization Facility [Member]
lender
Short-term Debt [Line Items]            
Accounts receivable securitization facility, Term 364 days   364 days   364 days  
Number of lenders       2   2
Percentage of holding of the aggregate facility, One     60.00%   60.00%  
Percentage of holding of the aggregate facility, Two     40.00%   40.00%  
Basis points margin for borrowings under accounts receivable securitization facility     90.00%   90.00%  
One-month LIBOR     one-month LIBOR   one-month LIBOR  
Accounts receivable securitization facility, Maximum borrowings one     $ 190,000,000.0   $ 100,000,000.0  
Accounts receivable securitization facility, Maximum borrowings two     290,000,000.0   160,000,000.0  
Outstanding borrowings under accounts receivable securitization facility   208,000,000   0   19,200,000
Remaining borrowing capacity       $ 275,000,000   $ 80,800,000
Credit facility, interest rate           1.10%