Other Noncurrent Liabilities - Components of Other Noncurrent Liabilities (Detail) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Other Liabilities Noncurrent [Abstract]
Reserve for uncertain tax positions	$ 12.3	$ 11.8
Employee benefits	7.6	7.5
Interest rate swap contract	4.6	0.2
Insurance claims and expenses	0.2	0.2
Other	4.7	4.7
Total	$ 29.4	$ 24.4