Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

Income (loss) before income taxes consists of the following:

	Year Ended December 31,
	2017		2016			2015
United States	$	2.7	$	40.5		$	(187.2	)
Foreign	10.9		(2.1		)	(14.6		)
Income (loss) before income taxes	$	13.6	$	38.4		$	(201.8	)

Schedule of Components of Income Tax Expense (Benefit)

Significant components of income tax (benefit) expense are as follows:

	Year Ended December 31,
	2017			2016			2015
Current:
Federal	$	6.1		$	10.0		$	22.9
State and local	0.5			1.0			1.1
Foreign	7.3			5.3			3.1
Total current	13.9			16.3			27.1
Deferred:
Federal	(28.8		)	(3.3		)	(25.7		)
State and local	(0.4		)	(0.2		)	(0.6		)
Foreign	(0.6		)	0.9			1.9
Total deferred	(29.8		)	(2.6		)	(24.4		)
Total income tax (benefit) expense	$	(15.9	)	$	13.7		$	2.7

Schedule of Effective Income Tax Rate Reconciliation

The reconciliation of income taxes computed at the U.S. federal statutory tax rate to income tax (benefit) expense is as follows:

	Year Ended December 31,
	2017			2016			2015
Income tax expense (benefit) at U.S. statutory rate	$	4.8		$	13.4		$	(70.6	)
State income taxes, net of federal tax benefit	0.6			0.7			0.4
Foreign income, net of credit on foreign taxes	8.8			0.2			—
Effective tax rate differential of earnings outside of U.S.	(0.5		)	0.5			—
Change in valuation allowance	7.8			6.6			5.6
Research & experimentation credits	(0.6		)	(0.9		)	(0.9		)
Non-deductible items	0.6			0.7			2.7
Change in uncertain tax positions	0.1			(0.2		)	0.1
Domestic production activities deduction	(0.4		)	(1.2		)	(2.1		)
Tax effect of asset impairments	—			—			67.3
Tax effect of insurance proceeds	—			(5.8		)	—
Tax effect of 2017 tax reform federal rate change	(26.9		)	—			—
Tax effect of carryforward foreign tax credits	(10.3		)	—			—
Other items	0.1			(0.3		)	0.2
Income tax (benefit) expense	$	(15.9	)	$	13.7		$	2.7

Schedule of Deferred Tax Assets and Liabilities

Significant components of our deferred tax assets and liabilities are as follows:

	December 31,
	2017			2016
Deferred tax assets:
Accruals and reserves	$	11.8		$	24.1
Pensions	2.0			5.3
Inventory	4.3			6.8
Share-based compensation	6.6			9.4
Tax credit carryforwards	16.4			2.2
Foreign net operating loss carryforwards	12.4			5.9
State net operating loss carryforwards	2.0			1.6
Other – net	0.2			0.9
Total deferred tax assets before valuation allowances	55.7			56.2
Valuation allowances	(27.2		)	(15.1		)
Total deferred tax assets, net of valuation allowances	$	28.5		$	41.1
Deferred tax liabilities:
Property, plant and equipment	$	15.0		$	19.4
Goodwill and intangible assets	72.9			22.9
Convertible notes	(0.5		)	1.0
Other – net	2.9			—
Total deferred tax liabilities	$	90.3		$	43.3
Net deferred tax liabilities	$	61.8		$	2.2
The net deferred tax liability is classified as follows:
Other assets	(0.7		)	(2.0		)
Long-term deferred tax liabilities	62.5			4.2
Net deferred tax liabilities	$	61.8		$	2.2

Summary of Income Tax Contingencies [Table Text Block]

The reconciliation of beginning to ending unrecognized tax benefits is as follows:

	Year Ended December 31,
	2017			2016			2015
Unrecognized tax benefits at beginning of the year	$	0.8		$	1.0		$	0.9
Additions for tax positions of prior years	0.1			—			0.1
Reductions for tax positions of prior years	(0.1		)	—			—
Lapse of statutes of limitation	—			(0.2		)	—
Unrecognized tax benefits at end of the year	$	0.8		$	0.8		$	1.0