Debt (Details)
0 Months Ended 0 Months Ended 3 Months Ended 3 Months Ended 0 Months Ended
Mar. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Mar. 06, 2015
Secured Debt [Member]
Accounts Receivable Securitization Program
Mar. 31, 2015
Secured Debt [Member]
Accounts Receivable Securitization Program
USD ($)
Mar. 06, 2015
Secured Debt [Member]
Accounts Receivable Securitization Program
USD ($)
Aug. 07, 2013
Credit Agreement
USD ($)
Mar. 31, 2015
Credit Agreement
Dec. 31, 2014
Credit Agreement
Mar. 31, 2015
Credit Agreement
CAD
Canada Company
Mar. 31, 2015
Credit Agreement
Minimum
Dec. 31, 2014
Credit Agreement
Minimum
Mar. 31, 2015
Credit Agreement
Maximum
Dec. 31, 2014
Credit Agreement
Maximum
Mar. 31, 2015
Revolving Credit Facility
USD ($)
Mar. 31, 2014
Revolving Credit Facility
USD ($)
Dec. 31, 2014
Revolving Credit Facility
USD ($)
Aug. 07, 2013
Revolving Credit Facility
USD ($)
Mar. 31, 2015
Revolving Credit Facility
USD
USD ($)
Mar. 31, 2015
Revolving Credit Facility
EUR
EUR (€)
Mar. 31, 2015
Revolving Credit Facility
CAD
Mar. 31, 2015
Revolving Credit Facility
AUD
Mar. 31, 2015
Revolving Credit Facility
Minimum
Mar. 31, 2015
Revolving Credit Facility
Maximum
Dec. 31, 2014
Term Loan Facility
Sep. 24, 2014
Term Loan Facility
USD ($)
Mar. 31, 2015
Term Loan Facility
USD ($)
Dec. 31, 2014
Term Loan Facility
USD ($)
Sep. 24, 2014
Term Loan Facility
USD ($)
Debt                                                        
Capital stock of subsidiaries pledged to secure debt (as a percent) 66.00%           66.00%   66.00%                                      
Ownership in U.S. subsidiaries that are considered guarantor (as a percent) 100.00%                                                      
Maximum borrowing capacity         $ 250,000,000                       $ 1,500,000,000                      
Optional additional commitments           500,000,000                                     250,000,000      
Principal amount of notes                                                       250,000,000
Debt Instrument, Frequency of Periodic Payment                                               quarterly        
Amount of quarterly installments based on the original principal (as a percentage)                                               625        
Commitment fee (as a percent)     0.40%                                     0.30% 0.50%          
Carrying amount on long-term debt 4,721,842,000 4,663,531,000                       823,881,000   883,428,000   632,250,000 67,750,000 81,200,000 71,600,000         248,750,000 249,375,000  
Fair Value                           823,881,000   883,428,000                   248,750,000 249,375,000  
Letters of credit outstanding                           12,219,000                            
Period of earnings before interest, taxes, depreciation, amortization and rent expense (EBITDAR) for calculation of remaining borrowing capacity                           12 months                            
Remaining amount available for borrowing under credit facility                           663,900,000                            
Average interest rate (as a percent)             2.80%             2.90%                       2.40%    
Effective interest rate (as a percent)         1.10%                                 2.30% 5.10%          
Commitment fees and letters of credit fees                           867,000 658,000                          
Accounts Receivable from Securitization       $ 220,800,000                                                
Debt covenants                                                        
Net total lease adjusted leverage ratio             5.5 5.4       6.5 6.5                              
Net secured debt lease adjusted leverage ratio             2.7 2.6       4.0 4.0                              
Bond leverage ratio, per indentures             5.6 5.7       6.5 6.5                              
Fixed charge coverage ratio             2.4 2.5   1.5 1.5