ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

12 Months Ended

Dec. 31, 2019

ACCUMULATED OTHER COMPREHENSIVE LOSS.

Schedule of changes in each component of accumulated comprehensive income (loss), net of tax effects

									Accumulated
	Net Unrealized		Net Unrealized		Net Unrealized		Foreign Currency		Other
	Gains (Losses) on		Gains (Losses) on		Gains (Losses) on		Translation		Comprehensive
	Securities		Cash Flow Hedges		Net Investment Hedge		Adjustments (1)		Loss
	(in millions)
Balance as of January 1, 2017	$	(1.6)	$	0.4	$	4.1	$	(153.6)	$	(150.7)
Changes in other comprehensive income (loss)		(7.1)		(0.5)		(46.1)		64.2		10.5
Balance at December 31, 2017	$	(8.7)	$	(0.1)	$	(42.0)	$	(89.4)	$	(140.2)
Changes in other comprehensive income (loss)		(2.0)		(0.1)		29.6		(25.4)		2.1
Balance at December 31, 2018	$	(10.7)	$	(0.2)	$	(12.4)	$	(114.8)	$	(138.1)
Changes in other comprehensive income (loss)		13.2		0.1		4.9		(6.8)		11.4
Recognition resulting from the sale of Epsilon's foreign subsidiaries		—		—		—		26.8		26.8
Balance at December 31, 2019	$	2.5	$	(0.1)	$	(7.5)	$	(94.8)	$	(99.9)

(1) Primarily related to the impact of changes in the Canadian dollar and Euro foreign currency exchange rates.