Segment Information - Operating Segments Depreciation, Amortization, and Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 44,932	$ 39,084	$ 30,261
Assets	1,423,049	1,284,644
Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	39,671	35,161	28,259
Assets	1,547,309	1,229,952
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Depreciation and amortization	5,261	3,923	$ 2,002
Assets	141,942	123,100
Eliminations
Segment Reporting Information [Line Items]
Assets	$ (266,202)	$ (68,408)