Deferred Compensation and Other Benefits - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Jun. 30, 2017
ESBP [Member]
Deferred Compensation Text Details [Line Items]
Benefit payments	$ 200	$ 200
Estimated 2018 future employer contributions			$ 700
NDBP [Member]
Deferred Compensation Text Details [Line Items]
Targeted minimum return	4.00%
Guaranteed return	4.00%
Employer contributions	$ 303	273
BDBP [Member]
Deferred Compensation Text Details [Line Items]
Benefit plan, employer contributions	100	100
BDBP [Member] | Maximum [Member]
Deferred Compensation Text Details [Line Items]
Benefit payments	100	100
Estimated 2018 future employer contributions	100
Key Employee Non Qualified Deferred Compensation Plan [Member]
Deferred Compensation Text Details [Line Items]
Employer contributions	0	100
Non Employee Director Deferred Compensation Plan [Member]
Deferred Compensation Text Details [Line Items]
Employer contributions	$ 0	$ 100