Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions		Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Accounts receivable		$ 4.6	$ 4.6
Deferred compensation		67.9	63.6
Pension, postretirement and postemployment benefits		8.7	9.9
Investment in Natronx		7.7	1.2
Other		24.4	26.0
Tax credit carryforwards/other tax attributes		14.4	1.9
International operating loss carryforwards		6.2	8.0
Total gross deferred tax assets		133.9	115.2
Valuation allowances		(16.3)	(12.0)
Total deferred tax assets		117.6	103.2
Goodwill		(193.5)	(174.7)
Trade names and other intangibles		(312.4)	(300.6)
Property, plant and equipment		(95.6)	(97.5)
Total deferred tax liabilities		(601.5)	(572.8)
Net deferred tax liability		(483.9)	(469.6)
Long term net deferred tax asset	[1]	0.9	1.0
Long term net deferred tax liability	[1]	$ (484.8)	$ (470.6)

[1] The Company retrospectively adopted new accounting guidance requiring all deferred tax assets to be classified as noncurrent. See Note 1 for further details