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Income Taxes (Effective Income Tax Reconciliation) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Tax Disclosure [Abstract] |  |  |
U.S. federal corporate tax rate | 35.00% | 35.00% | 35.00%
Income Tax Benefit Executive Retirement & Related Costs | $ 4.0 |  |
Tax on international operations less than U.S. tax rate | (5.10%) | (6.80%) | (5.30%)
Reversal of prior valuation allowance | 0.00% | (0.50%) | (1.00%)
Reversal of reserves for unrecognized tax benefits | (1.60%) | (0.50%) | (0.80%)
U.S. tax on international earnings, net of foreign tax credits | (4.60%) | (0.10%) | 0.10%
State income taxes, net of federal tax effect | 0.30% | 1.50% | 0.10%
U.S. research and development credits | (1.30%) | (0.90%) | (1.80%)
Other business credits and Section 199 Deduction | (1.30%) | (0.70%) | (0.50%)
Other | 1.20% | 1.00% | 1.60%
Effective tax rate | 22.60% | 28.00% | 27.40%
Discrete tax charge, change in enacted tax rate | $ 0.8 |  | $ 1.3
Discrete tax benefit, R&D credit |  |  | 1.3
Discrete tax charge, other adj |  | $ 1.0 | $ 3.5
Income Tax Benefit Related to Pension Settlement | $ 18.4 |  |
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount |  | $ 0.8 |

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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