CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK, STOCKHOLDERS EQUITY, AND INVESTED EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income/(Loss)	Viavi Net Investment	Redeemable Convertible Series A Preferred Stock
Balance at the beginning of the period at Jun. 29, 2013	$ 281.8				$ 24.6	$ 257.2
Increase (Decrease) in Stockholders' Equity, and Invested Equity
Net (loss) income	10.7					10.7
Other comprehensive loss	(1.9)				(1.9)
Net transfers (to) from Viavi	45.0					45.0
Balance at the end of the period at Jun. 28, 2014	335.6				22.7	312.9
Balance at Jun. 27, 2015	0.0
Balance (in shares) at Jun. 27, 2015							0
Increase (Decrease) in Stockholders' Equity, and Invested Equity
Net (loss) income	(3.4)					(3.4)
Other comprehensive loss	(10.2)				(10.2)
Net transfers (to) from Viavi	58.6					58.6
Balance at the end of the period at Jun. 27, 2015	380.6				12.5	368.1
Balance at Jul. 02, 2016	35.8						$ 35.8
Balance (in shares) at Jul. 02, 2016							35,805
Increase (Decrease) in Stockholders' Equity, and Invested Equity
Net (loss) income	(3.2)
Other comprehensive loss	(3.1)
Balance at the end of the period at Jul. 02, 2016	$ 497.4	$ 0.1	$ 467.7	$ 20.2	$ 9.4	$ 0.0
Balance (in shares) at Jul. 02, 2016		59,600,000