Recent Accounting Pronouncements - Textual (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 02, 2017	Apr. 01, 2017	Dec. 30, 2017	Dec. 31, 2016
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Deferred revenue			$ 1,661	$ 816
Accounting Standards Update 2016-09 [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Increase (decrease) in accumulated deficit	$ 100	$ 1,200
Adjustments for New Accounting Pronouncement [Member] | Minimum [Member] | Pro Forma [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Retained earnings related to new standard accounting			700
Deferred revenue			1,500
Adjustments for New Accounting Pronouncement [Member] | Maximum [Member] | Pro Forma [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Retained earnings related to new standard accounting			1,200
Deferred revenue			$ 2,500