Nature of Business and Significant Accounting Policies -Textual (Details) $ in Thousands	3 Months Ended				12 Months Ended
	Apr. 01, 2018 USD ($)	Dec. 31, 2017 USD ($)	Oct. 01, 2017 USD ($)	Jul. 02, 2017 USD ($)	Apr. 01, 2018 USD ($) Segment	Apr. 02, 2017 USD ($)	Apr. 03, 2016 USD ($)
Number of reportable segments (segment) | Segment					3
Number of Weeks in Fiscal Year					364 days	364 days	371 days
Number of weeks in next fiscal year					364 days
Percentage of LIFO Inventory	67.00%				67.00%
Percentage of FIFO inventory	33.00%				33.00%
Goodwill impairment | $	$ 39,116	$ 0	$ 0	$ 0	$ 39,116	$ 0	$ 0
Maximum [Member]
Number of Weeks in Fiscal Year					371 days
Minimum [Member]
Number of Weeks in Fiscal Year					364 days