Income Taxes - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($) Jurisdiction	Dec. 31, 2014 USD ($) tax_matter	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)
Schedule Of Income Tax [Line Items]
Tax credit carryforward	$ 19.6	$ 11.6
Tax credit carryforward, subject to expiration		0.6
Deferred tax asset, increase (decrease), amount	25.9
Expense (benefit) from subsidiary earnings and reduced withholding taxes	0.4
Unrecognized tax benefits	4.7	5.3
Unrecognized tax benefits that would impact effective tax rate	4.7	5.3
Penalties and interest expense	0.4	6.8
Penalties and interest accrued	$ 0.7	$ 0.3
Number of tax matters resolved | tax_matter		2
Unrecognized tax benefits, period increase (decrease)		$ 31.0
Number of foreign income tax jurisdictions | Jurisdiction	45
Unrecognized tax benefits, including interest and penalties	$ 5.4	5.6
Unrecognized Tax Benefit [Member]
Schedule Of Income Tax [Line Items]
Valuation allowances deduction		21.1
CHINA
Schedule Of Income Tax [Line Items]
Undistributed earnings of foreign subsidiaries	33.2
Effect of repatriation of foreign earnings	1.7
Taxable Losses [Member]
Schedule Of Income Tax [Line Items]
Deferred tax asset, increase (decrease), amount	25.0
Unbenefited Losses [Member]
Schedule Of Income Tax [Line Items]
Deferred tax asset, increase (decrease), amount	0.9
Successor [Member]
Schedule Of Income Tax [Line Items]
Deferred tax assets, valuation allowance	127.8	101.9
Undistributed foreign earnings	6.3	8.5
Unrecognized tax benefits	4.7	5.3	$ 38.9	$ 0.0
Interest Expense [Member]
Schedule Of Income Tax [Line Items]
Tax credit carryforward	16.8
Unrecognized Tax Benefit [Member]
Schedule Of Income Tax [Line Items]
Tax credit carryforward	43.9
Interest Carryforward [Member]
Schedule Of Income Tax [Line Items]
Tax credit carryforward		12.9
Foreign Tax Authority [Member]
Schedule Of Income Tax [Line Items]
Operating loss carryforwards	144.4	118.3
Operating and capital loss carryforwards with no expiration	76.4	78.2
Operating and capital loss carryforwards, subject to expiration	68.0	40.1
Domestic Tax Authority [Member]
Schedule Of Income Tax [Line Items]
Operating and capital loss carryforwards, subject to expiration	86.3	53.2
State and Local Jurisdiction [Member]
Schedule Of Income Tax [Line Items]
Operating and capital loss carryforwards, subject to expiration	$ 4.2	$ 2.5