Other comprehensive income (loss), net of tax, information is presented below:



	2019			2018			2017
Foreign currency translation
Balance at beginning of period	$	(0.6	)	$	1.1		$	(3.6	)
Other comprehensive income (loss)—foreign currency translation gain (loss)	(0.6		)	(1.7		)	4.7
Balance at end of period	$	(1.2	)	$	(0.6	)	$	1.1
Cash flow hedges
Balance at beginning of period	$	7.2		$	22.3		$	39.9
Cumulative effect of adopting new hedging standard	—			0.8			—
Other comprehensive income (loss):
Gains (losses) arising in period	(31.5		)	(5.6		)	(11.5		)
Income tax expense (benefit)	(1.1		)	—			—
Gains (losses) arising in period, net of tax	(30.4		)	(5.6		)	(11.5		)
Reclassification of losses (gains) to net income (loss):
Recorded in cost of products sold	8.9			(10.3		)	(6.1		)
Income tax (expense) benefit (b)	0.3			—			—
Net amount of reclassification of losses (gains) to net income (loss), net of tax	8.6			(10.3		)	(6.1		)
Total other comprehensive income (loss), net of tax	(21.8		)	(15.9		)	(17.6		)
Balance at end of period	$	(14.6	)	$	7.2		$	22.3
Pension and OPEB plans
Balance at beginning of period	$	(106.6	)	$	(73.6	)	$	(125.0	)
Other comprehensive income (loss):
Prior service credit (cost) arising in period	—			11.1			4.7
Gains (losses) arising in period	50.5			(63.6		)	94.2
Subtotal	50.5			(52.5		)	98.9
Income tax expense (benefit)	2.0			—			—
Gains (losses) arising in period, net of tax	48.5			(52.5		)	98.9
Reclassification to net income (loss):
Prior service costs (credits) (a)	(9.6		)	(9.8		)	(53.8		)
Actuarial (gains) losses (a)	15.7			29.3			6.3
Subtotal	6.1			19.5			(47.5		)
Income tax (expense) benefit (b)	0.2			—			—
Amount of reclassification to net income (loss), net of tax	5.9			19.5			(47.5		)
Total other comprehensive income (loss), net of tax	54.4			(33.0		)	51.4
Balance at end of period	$	(52.2	)	$	(106.6	)	$	(73.6	)