Quarterly Financial Data (Unaudited) (Summarized Quarterly Data) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 30, 2016	Sep. 30, 2016	Jul. 01, 2016	Apr. 01, 2016	Jan. 01, 2016	Oct. 02, 2015	Jun. 30, 2017	Jul. 01, 2016	Jul. 03, 2015
Quarterly Financial Data [Abstract]
Revenue	$ 56,431	$ 58,700	$ 68,536	$ 58,207	$ 58,252	$ 60,467	$ 70,416	$ 79,555	$ 241,874	$ 268,690	$ 335,878
Gross margin	19,259	17,732	21,116	17,365	9,869	14,413	16,424	21,011	75,472	61,717	80,690
Operating (loss) income	(646)	73	2,513	(2,925)	(13,256)	(7,594)	(4,998)	(1,598)	(985)	(27,446)	(25,930)
Net (loss) income	(1,412)	(330)	1,722	(601)	(15,141)	(7,808)	(5,534)	(1,154)	(621)	(29,637)	(24,554)
Net (loss) income attributable to Aviat Networks	$ (1,473)	$ (399)	$ 1,678	$ (629)	$ (15,151)	$ (7,874)	$ (5,679)	$ (1,203)	$ (823)	$ (29,907)	$ (24,625)
Per share data:
Basic net (loss) income per common share	$ (0.28)	$ (0.08)	$ 0.32	$ (0.12)
Diluted net (loss) income per common share	$ (0.28)	$ (0.08)	$ 0.31	$ (0.12)
Basic and diluted net loss per common share (1)					$ (2.88)	$ (1.50)	$ (1.09)	$ (0.23)	$ (0.16)	$ (5.71)	$ (4.75)