Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 30, 2019 USD ($) Segment	Jan. 01, 2019 USD ($)	Jan. 01, 2018 USD ($)
Accounting Policies [Abstract]
Number of reportable segments | Segment	2
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of Accounting Standard Update		$ 300
Change in unrealized gains and losses on cash flow hedges	$ (84)
Gain (loss) on derivative	$ (100)
Remaining performance obligation, percentage	70.00%
Order or Production Backlog
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Remaining performance obligation	$ 697,500
Other Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unamortized premium	$ 100
Retained Earnings | Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of Accounting Standard Update		$ (264)	$ 0