Accounting Policies (Details 4) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2015 USD ($) item $ / shares	Dec. 31, 2014 USD ($) item $ / shares	Dec. 31, 2013 USD ($) $ / shares
Stock-based compensation
Number of stock-based compensation plans \| item	1
Total unrecognized compensation costs related to unvested stock-based compensation arrangements	$ 21.1
Total weighted average remaining term of unrecognized compensation costs	1 year 7 months 6 days
Compensation cost recognized	$ 10.9	$ 8.6	$ 9.6
Number of Reportable Segments \| item	3	3
Impact on both basic and diluted net income per common share for recognition of total stock-based compensation expense (in dollars per share) \| $ / shares	$ 0.25	$ 0.10	$ 0.14
Cost of goods sold
Stock-based compensation
Compensation cost recognized	$ 0.4	$ 0.6
Selling, general and administrative expenses
Stock-based compensation
Compensation cost recognized	10.5	8.0
Stock options
Stock-based compensation
Tax benefit recorded for the compensation expense	0.3	0.7	$ 1.2
Other Stock-based Plans
Stock-based compensation
Tax benefit recorded for the compensation expense	$ 2.0	$ 1.6	$ 1.9

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
-Section F

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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