Summary of Significant Accounting Policies (Details Textuals) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Summary of Significant Accounting Policies (Textuals) [Abstract]
Amortization expense	$ 3.6	$ 2.5
Future Amortization Expense Current Year	14.1
Aggregate amortization expense for 2019	13.6
Aggregate amortization expense for 2020	13.2
Aggregate amortization expense for 2021	12.6
Aggregate amortization expense for 2022	12.1
Aggregate amortization expense for 2023	11.9
Purchased Intangible Amortization, Gross	3.4	2.3
Purchased intangible amortization, net of tax	2.5	1.5
Amortization expense associated with capitalized software	$ 8.1	7.5
Standard Warranty Period	one
Share - based compensation expense	$ 4.4	3.8
Impact of Adopting ASU 2017-07 ASC 715 Compensation-Retirement Benefits	$ 1.6	$ 0.8

The aggregate expense charged against earnings to amortize the cost of acquired intangible assets.

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- Definition

The amount of amortization expense expected to be recognized during the current year.

+ References

No definition available.

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- Definition

The 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, cost of sales and research and development to other charges (income) beginning in Q1 2018.

+ References

No definition available.

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- Definition

The aggregate expense charged against earnings to amortize the cost of acquired intangible assets before tax.

+ References

No definition available.

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- Definition

Disclosure of standard warranty period.

+ References

No definition available.

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- Definition

Summary of Significant Accounting Policies.

+ References

No definition available.

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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)
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-Section 50
-Paragraph 1
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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
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- Definition

Amount of expense for amortization of capitalized computer software costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
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-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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-Subparagraph (a)(3)
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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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