Other Non-Current Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Pensions	$ 209.6	$ 208.3
Other post-retirement benefits	23.9	24.0
Deferred tax liabilities	46.3	41.2
Other	68.4	68.2
TOTAL	$ 348.2	$ 341.7