Derivative Financial Instruments and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2019

Derivative Instruments and Hedging Activities Fair Value [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The table below presents the fair value of our derivative financial instruments as well as their classification in the consolidated balance sheets at December 31, 2019 and 2018:

Asset Derivatives

Liability Derivatives

December 31, 2019

December 31, 2018

December 31, 2019

December 31, 2018

(in millions)

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Derivatives Designated as Hedging Instruments

Interest Rate Swaps

Other Assets

$

—

Other Assets

$

—

Other Liabilities

$

—

Other Liabilities

$

7.4

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

The table below presents the effect of our derivative financial instruments in the consolidated statements of income and comprehensive income for the year ended December 31, 2019 and 2018:

(in millions)	Unrealized Gain (Loss) Recognized in Other Comprehensive  Income (“OCI”) on Derivatives							Location of Gain Reclassified from Accumulated OCI into Income	Amount of Gain Reclassified from Accumulated OCI into Income
Derivatives in Cash Flow Hedging Relationships	2019			2018		2017			2019		2018		2017
Interest Rate Swaps	$	(13.0	)	$	6.8	$	1.7	Interest expense	$	0.1	$	0.4	$	—