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Debt - 2024 Senior Notes - Additional Information (Detail) - 5.625% Senior Notes due 2024 - Senior Notes - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 05, 2014
Debt Instrument [Line Items]    
Senior Notes issued amount   $ 350,000,000
Stated interest rate of senior notes (as a percent) 5.625% 5.625%
Redemption price (as a percent) 100.00%