The changes in accumulated OCI by component are as follows:


	Year Ended December 31,
	2019		2018		2017
Foreign currency translation
Balance at beginning of period	$	(146.4)	$	(134.3)	$	(148.3)
Other comprehensive income (loss):
Foreign currency translation adjustments(1)		5.8		(12.1)		14.0
Balance at end of period	$	(140.6)	$	(146.4)	$	(134.3)
Pension
Balance at beginning and end of period	$	(1.4)	$	(1.6)	$	(0.9)
Other comprehensive loss:
Settlement		0.3		—		—
Curtailment gain		—		—		(1.6)
Tax (expense) benefit		(0.1)		—		0.4
Total Other comprehensive income (loss) before reclassifications, net of tax		0.2		—		(1.2)
Total amount reclassified from accumulated other comprehensive income, net of tax		(0.5)		0.2		0.5
Total other comprehensive (loss) income		(0.3)		0.2		(0.7)
Balance at end of period	$	(1.7)	$	(1.4)	$	(1.6)
Cash flow hedges
Balance at beginning of period	$	1.6	$	1.1	$	0.7
Other comprehensive income (loss):
Net change from periodic revaluations		(0.5)		0.5		(0.2)
Tax benefit (expense)		0.2		(0.1)		0.1
Total Other comprehensive (loss) income before reclassifications, net of tax		(0.3)		0.4		(0.1)
Net amount reclassified to earnings:
Interest rate swaps(2)		0.4		0.2		0.9
Tax expense		(0.1)		(0.1)		(0.4)
Total amount reclassified from accumulated other comprehensive income, net of tax		0.3		0.1		0.5
Total other comprehensive income		—		0.5		0.4
Balance at end of period	$	1.6	$	1.6	$	1.1

⁽¹⁾

In all periods presented, there were no tax impacts related to rate changes and no amounts were reclassified to (loss) earnings.

⁽²⁾

This amount was included in interest expense, net on the accompanying consolidated statements of operations.