Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (2013 Credit Facility) (Details Textual 1)

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Subsequent Events (2013 Credit Facility) (Details Textual 1) (USD $)
3 Months Ended 3 Months Ended 0 Months Ended 0 Months Ended 0 Months Ended 0 Months Ended 0 Months Ended 0 Months Ended
May 31, 2013
May 31, 2013
Senior Credit Facility - Revolving Credit Loans [Member]
Jun. 07, 2013
Senior Credit Facility - Revolving Credit Loans [Member]
May 31, 2013
Sub-facility Letters of Credit [Member]
May 31, 2013
Term A Facility [Member]
May 31, 2013
Term A-1 Facility [Member]
Jun. 07, 2013
U.S. Term A-2 Facility [Member]
Jun. 07, 2013
European Term A Facility [Member]
Jun. 07, 2013
Subsequent Event [Member]
Jun. 07, 2013
Subsequent Event [Member]
Senior Credit Facility - Revolving Credit Loans [Member]
Jun. 30, 2013
Subsequent Event [Member]
Senior Credit Facility - Revolving Credit Loans [Member]
Jun. 30, 2013
Subsequent Event [Member]
Sub-facility Letters of Credit [Member]
Jun. 07, 2013
Subsequent Event [Member]
Sub-facility Letters of Credit [Member]
Jun. 07, 2013
Subsequent Event [Member]
Term A Facility [Member]
Jun. 30, 2013
Subsequent Event [Member]
Term A Facility [Member]
Jun. 07, 2013
Subsequent Event [Member]
Term A-1 Facility [Member]
Jun. 30, 2013
Subsequent Event [Member]
Term A-1 Facility [Member]
Jun. 07, 2013
Subsequent Event [Member]
U.S. Term A-2 Facility [Member]
Jun. 30, 2013
Subsequent Event [Member]
U.S. Term A-2 Facility [Member]
Jun. 07, 2013
Subsequent Event [Member]
European Term A Facility [Member]
Jun. 30, 2013
Subsequent Event [Member]
European Term A Facility [Member]
Jun. 07, 2013
Subsequent Event [Member]
European Term B Facility [Member]
Jun. 30, 2013
Subsequent Event [Member]
European Term B Facility [Member]
Jun. 07, 2013
Subsequent Event [Member]
European Term Loans [Member]
Jun. 07, 2013
Subsequent Event [Member]
Minimum [Member]
Jun. 07, 2013
Subsequent Event [Member]
Minimum [Member]
LIBOR Rate Debt [Member]
Jun. 07, 2013
Subsequent Event [Member]
Minimum [Member]
Base Rate Debt [Member]
Jun. 07, 2013
Subsequent Event [Member]
Maximum [Member]
Subsequent Event [Line Items]                                                        
Maximum borrowing amount under credit facility $ 2,225,000,000.0 $ 850,000,000   $ 200,000,000 $ 550,000,000 $ 250,000,000     $ 3,787,500,000.0 $ 850,000,000.0     $ 200,000,000.0 $ 515,600,000.0   $ 246,900,000.0   $ 675,000,000.0   $ 500,000,000.0   $ 1,000,000,000.0   $ 1,500,000,000        
Maturity date of credit facility   May 03, 2017     May 03, 2017 May 03, 2019       Jun. 07, 2018       Jun. 07, 2018   Jun. 07, 2019   Jun. 07, 2018   Jun. 07, 2018   Jun. 07, 2020            
Incremental borrowings under credit facility                                                 25,000,000     750,000,000
Minimum fixed interest rate                                                   0.75% 1.75%  
LIBOR margin   1.50% 2.00%   1.50% 1.75% 2.00% 2.00%           2.00%   2.25%           2.00%            
Pledge of ownership interests in certain of Company's domestic subsidiaries 100.00%               100.00%                                      
Pledge of voting capital stock interests in certain of Company's foreign subsidiaries, Minimum 55.00%               55.00%                             55.00%        
Pledge of voting capital stock interests in certain of Company's foreign subsidiaries, Maximum 65.00%               65.00%                             65.00%        
Pledge of ownership interests in CIH subsidiary                 100.00%                                      
Senior notes outstanding         515,600,000 246,900,000               515,600,000 515,600,000 246,900,000 246,900,000 675,000,000 675,000,000 500,000,000 500,000,000 1,000,000,000 1,000,000,000          
Credit facility, interest rate         1.70% 1.90%         2.20%       2.20%   2.40%   2.20%   2.20%   2.80%          
Outstanding borrowings under revolving credit facility                   580,000,000 535,000,000                                  
Outstanding letters of credit       14,500,000               14,100,000                                
Remaining borrowing capacity   $ 835,500,000                 $ 300,900,000