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Collateralized Accounts Receivable and Recourse and Non-Recourse Debt - Summary of Recourse and Non-Recourse Debt (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Jan. 01, 2017
Disclosure of detailed information about financial instruments [abstract]      
Recourse debt $ 330.6 $ 347.0  
Non recourse debt 10.8 17.1  
Adjustments for decrease increase in non recourse and recourse debt 341.4 364.1  
Current portion 324.0 17.6 $ 22.9
Non-current portion $ 17.4 $ 346.5 $ 351.0