Other Liabilities - Level 4 Tag - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Other Liabilities Disclosure [Abstract]
Interest rate swaps and caps (Notes 2 and 8)	$ 105.9	$ 46.6
Operating lease liabilities	57.4	57.2
Unrecognized tax benefits, net of indirect tax effects (Note 12)	35.9	32.8
Non-qualified and other employee benefit plan liabilities	10.3	11.6
Deferred revenue (Note 10)	8.7	15.7
Other Noncurrent Other Liabilities	12.9	1.1
Total other liabilities	$ 231.1	$ 165.0