Derivative Financial Instruments and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]

The table below presents the effect of our derivative financial instruments which were settled in prior years in the consolidated statements of income and comprehensive income for the years ended December 31, 2021, 2020, and 2019:

(in millions)	Unrealized Gain (Loss) Recognized in Other Comprehensive  Income (“OCI”) on Derivatives						Location of Gain (Loss) Reclassified from Accumulated OCI into Income	Amount of Gain (Loss) Reclassified from Accumulated OCI into Income
Derivatives in Cash Flow Hedging Relationships	2021		2020		2019			2021		2020		2019
Interest Rate Swaps	$	—	$	—	$	(13.0)	Interest expense	$	(1.3)	$	(1.3)	$	0.1