Interest Rate Swaps (Details) - USD ($) $ in Thousands				12 Months Ended
	Dec. 28, 2019	Jun. 30, 2017	Mar. 31, 2016	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Derivative [Line Items]
Derivative Asset	$ 649			$ 649	$ 5,823
Derivative, Fair Value, Net	300			300	5,800
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total	199			199	3,814
Fair Value, Option, Changes in Fair Value, Gain (Loss)				(4,332)	456	$ 1,371
Reclassification of stranded tax effects (ASU 2018-02)				0	0	595
Other Comprehensive Income (Loss), Net of Tax, Total				(4,332)	456	1,966
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax				(5,556)	612	2,240
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax				(1,224)	156
Derivative Liability	382			382	0
Interest Rate Swap Short Term Portion [Member]
Derivative [Line Items]
Derivative Asset, Current	558			558	2,601
Interest Rate Swap Long Term Portion [Member]
Derivative [Line Items]
Derivative Asset, Noncurrent	91			91	3,222
Derivative Asset, Noncurrent	$ 91			91	3,222
Beginning Balance [Member]
Derivative [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total					3,814	$ 3,358
Term Loan 1 [Member]
Derivative [Line Items]
Interest Rate Swap, Inception Date			Mar. 31, 2016
Interest Rate Swap, Maturity Date	Feb. 19, 2021
Derivative Liability, Notional Amount			$ 197,500
Term Loan 2 [Member]
Derivative [Line Items]
Interest Rate Swap, Inception Date		Jun. 30, 2017
Interest Rate Swap, Maturity Date	Jun. 15, 2022
Derivative Liability, Notional Amount		$ 100,000
Interest Rate Swap Liability Portion [Member]
Derivative [Line Items]
Derivative Liability, Current	$ 90			90	0
Derivative Liability, Noncurrent	$ 292			$ 292	$ 0