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Accounting Policies (Details 4) $ / shares in Units, $ in Millions | 12 Months Ended
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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

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- Definition 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. + References 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 + Details
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