XML 117 R97.htm IDEA: XBRL DOCUMENT v3.20.4
Income Taxes - Classification of Net Deferred Tax Liability (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Deferred tax asset, included in Other long-term assets $ 8.4 $ 4.4
Deferred tax liability, included in Deferred income taxes 141.0 145.7
Net deferred tax liability $ 132.6 $ 141.3