Other Long-Term Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Other Long-Term Liabilities [Abstract]
Long-term deferred compensation arrangements	$ 18.7	$ 21.0
Long-term portion of derivative liabilities	10.6	11.3
U.S. workers' compensation	4.0	5.0
Postemployment benefit liabilities	3.8	4.8
Environmental liabilities	6.0	4.4
Other	6.5	6.7
Total other long-term liabilities	$ 49.6	$ 53.2