v3.20.1
Fair Value Measurements and Financial Instruments - Other Fair Value Disclosures (Details) - Unsecured Debt [Member] - Senior Notes 6.75% due 2021 [Member] - USD ($)
$ in Millions
Feb. 01, 2020
Mar. 09, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage   6.75%
Senior Notes $ 419.8  
Debt Instrument, Fair Value Disclosure $ 409.4