Supplemental Guarantor Condensed Financial Information (Parent Company Long-Term Financing Arrangements) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 15, 2009
Current portion of long-term debt	$ 154.9	$ 391.6
Long-term debt	923.7	933.9
Debt maturities 2016	154.9
Debt maturities 2017	2.5
Debt maturities 2018	138.4
Debt maturities 2019	0.7
Debt maturities 2020	0.7
Parent Company [Member]
Current portion of long-term debt	0.0	125.0
Long-term debt	780.7	778.8
Debt maturities 2016	0.0
Debt maturities 2017	0.0
Debt maturities 2018	0.0
Debt maturities 2019	0.0
Debt maturities 2020	0.0
North America [Member] \| Parent Company [Member]
Face Value	780.7	903.8
Current portion of long-term debt	0.0	125.0
Long-term debt	780.7	778.8
North America [Member] \| 5.75% Senior Notes due 2022 [Member]
Face Value	600.0	600.0
North America [Member] \| 5.75% Senior Notes due 2022 [Member] \| Parent Company [Member]
Face Value	600.0	600.0
North America [Member] \| Subordinated Convertible Notes Due 2029 [Member]
Face Value	429.5	429.5	$ 162.9
Debt discount	(257.8)	(259.7)	$ (266.6)
North America [Member] \| Subordinated Convertible Notes Due 2029 [Member] \| Parent Company [Member]
Face Value	429.5	429.5
Debt discount	(257.8)	(259.7)
North America [Member] \| Senior Floating Rate Notes [Member] \| Parent Company [Member]
Face Value	0.0	125.0
North America [Member] \| Other Debt [Member]
Face Value	9.2	9.0
North America [Member] \| Other Debt [Member] \| Parent Company [Member]
Face Value	$ 9.0	$ 9.0

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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