Condensed Consolidated Statements of Cash Flows (Unaudited) (Parentheticals) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2021	Dec. 31, 2020
Statement of Cash Flows [Abstract]
Common stock repurchases	[1]	$ 0.0
Restricted cash and cash equivalents, current		$ 1.0	$ 1.0

[1] Includes $19.3 in shares repurchased through our share repurchase program. On March 11, 2021, the share repurchase program expired with no further repurchases. Refer to Note 1, “Basis of Preparation” for further information.