Basis of Presentation and Significant Accounting Policies - Recent Accounting Pronouncements (Details) $ in Millions	3 Months Ended	9 Months Ended
Oct. 02, 2018 USD ($)	Oct. 02, 2018 USD ($)
Accounting Standards Update 2014-09
Recent Accounting Pronouncements
Increase to deferred revenue	$ 4.8	$ 4.8
Reduction of retained earnings		$ (3.6)
Early adoption \| Accounting Standards Update 2018-15
Recent Accounting Pronouncements
Capitalized implementation costs	$ 0.2

Amount of implementation costs capitalized during the period.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
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Amount of the cumulative effect on retained earnings net of related income tax effect.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 250
-SubTopic 10
-Section 50
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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