Other Assets (Details) - USD ($) $ in Millions	Sep. 28, 2017	Dec. 31, 2016
Intangible assets
Total intangible assets	$ 8.2	$ 8.2
Intangible assets, net	1.9	2.2
Deferred financing costs	39.5	38.5
Less: Accumulated amortization-deferred financing costs	(33.4)	(32.2)
Deferred financing costs, net	6.1	6.3
Goodwill - Europe	2.5	2.3
Equity in net assets of affiliates	4.7	4.4
Customer Supply Agreement	21.1	17.0
Restricted Cash and Investments, Noncurrent	20.0	19.9
Deferred Tax Assets, Net, Noncurrent	100.3	128.8
Other	40.7	40.0
Total	197.3	220.9
Patents [Member]
Intangible assets
Total intangible assets	1.9	1.9
Less: Accumulated amortization	(1.8)	(1.8)
Favorable Leasehold Interests [Member]
Intangible assets
Total intangible assets	6.3	6.3
Less: Accumulated amortization	$ (4.5)	$ (4.2)