Subsequent Events - Additional Information (Detail) - USD ($) $ in Millions	May 09, 2017	Mar. 31, 2017	Jan. 31, 2017
Senior Secured Notes | Subsequent Event
Subsequent Event [Line Items]
Mandatory principal prepayments amount	$ 152.2
Senior Secured Term Loan
Subsequent Event [Line Items]
Mandatory principal prepayments amount			$ 23.5
Senior Secured Term Loan | Subsequent Event
Subsequent Event [Line Items]
Mandatory principal prepayments amount	135.3
Senior Secured Term Loan | Accounts Payable and Accrued Expenses
Subsequent Event [Line Items]
Principal prepayment premium		$ 15.7
Operating Segments | Entertainment | Subsequent Event
Subsequent Event [Line Items]
Cash consideration from sale	345.0
Operating Segments | Entertainment | Senior Secured Term Loan | Accounts Payable and Accrued Expenses | Subsequent Event
Subsequent Event [Line Items]
Principal prepayment premium	$ 15.7