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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Property, Plant and Equipment Useful Life |  |  |
StandardWarrantyPeriod | 1 year |  |
Incremental Common Shares Attributable to Share-based Payment Arrangements | 680,208 | 506,137 | 588,697
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 9,824 | 102,017 | 112,562
Impact of ASU 2016-09 | 2.00% |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | $ 1,539 |  |
Excess Tax Benefit from Share-based Compensation, Operating Activities |  | $ 17,700 | $ 12,900
Impact of Adopting ASU 2017-7 ASC 715 Compensation-Retirement Benefits | $ 4,100 | $ 9,800 |
Capitalized Software Costs [Member] |  |  |
Property, Plant and Equipment Useful Life |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |
Minimum [Member] | Building and Building Improvements |  |  |
Property, Plant and Equipment Useful Life |  |  |
Property, Plant and Equipment, Useful Life | 15 years |  |
Minimum [Member] | Machinery and Equipment |  |  |
Property, Plant and Equipment Useful Life |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
Minimum [Member] | Software |  |  |
Property, Plant and Equipment Useful Life |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
Maximum [Member] | Building and Building Improvements |  |  |
Property, Plant and Equipment Useful Life |  |  |
Property, Plant and Equipment, Useful Life | 50 years |  |
Maximum [Member] | Machinery and Equipment |  |  |
Property, Plant and Equipment Useful Life |  |  |
Property, Plant and Equipment, Useful Life | 12 years |  |
Maximum [Member] | Software |  |  |
Property, Plant and Equipment Useful Life |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |
Retained Earnings [Member] |  |  |
Property, Plant and Equipment Useful Life |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | $ 1,539 |  |

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- Definition The yearly impact of Adopting ASU 2017-7 ASC 715 Compensation-Retirement Benefits in the income statement which reclasses the non-service cost components from selling, general and administrative expense and cost of sales to other charges (income) beginning in Q1 2018. + References No definition available. + Details
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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