CONSOLIDATED STATEMENTS OF MEZZANINE AND STOCK AND STOCKHOLDERS' EQUITY (unaudited) - USD ($) shares in Millions, $ in Millions	Total	Viavi Net Investment	Series A Preferred Stock	Series A Preferred Stock Viavi Net Investment	Non-Controlling Interest Redeemable Convertible Series A Preferred Stock	Non-Controlling Interest Redeemable Convertible Series A Preferred Stock Series A Preferred Stock	Common Stock	Additional Paid-In Capital	Additional Paid-In Capital Series A Preferred Stock	Retained Earnings	Retained Earnings Series A Preferred Stock	Accumulated Other Comprehensive Income (Loss)
Balance in beginning, value at Jun. 28, 2014	$ 335.6	$ 312.9										$ 22.7
Net (loss) income	(3.4)	(3.4)
Other comprehensive loss	(10.2)											(10.2)
Transfer from Viavi	58.6	58.6
Balance in ending, value at Jun. 27, 2015	380.6	368.1										12.5
Pre-capitalization activity:
Net (loss) income	(3.4)	(3.4)
Other comprehensive loss	(10.2)											(10.2)
Transfer from Viavi	58.6	58.6
Post-capitalization activity:
Net (loss) income	(3.4)	(3.4)
Other comprehensive loss	(10.2)											(10.2)
Net (loss) income | Pre Capitalization Activity	(11.7)	(11.7)
Net (loss) income | Post Capitalization Activity	11.5									$ 11.5
Net (loss) income	(0.2)
Other comprehensive loss | Pre Capitalization Activity	(4.7)											(4.7)
Other comprehensive loss | Post Capitalization Activity	(0.8)											(0.8)
Other comprehensive loss	(5.5)
Transfer from Viavi | Pre Capitalization Activity	136.1	136.1
Balance in ending, value at Sep. 26, 2015	467.0				$ 33.8		$ 0.1	$ 448.5		11.4		7.0
Balance (in shares) at Sep. 26, 2015							59.0
Pre-capitalization activity:
Net (loss) income | Pre Capitalization Activity	(11.7)	(11.7)
Net (loss) income | Post Capitalization Activity	11.5									11.5
Net (loss) income	(0.2)
Other comprehensive loss | Pre Capitalization Activity	(4.7)											(4.7)
Other comprehensive loss | Post Capitalization Activity	(0.8)											(0.8)
Other comprehensive loss	(5.5)
Transfer from Viavi | Pre Capitalization Activity	136.1	136.1
Total pre-capitalization activity | Pre Capitalization Activity	119.7	124.4										(4.7)
Post-capitalization activity:
Issuance of common stock shares reclassification to separation of parent company investments | Post Capitalization Activity							58.8
Issuance of common stock and reclassification of parent company investment in connection with the Separation | Post Capitalization Activity		(456.7)					$ 0.1	456.6
Issuance of redeemable convertible Series A preferred stock, net of issuance costs of $2.0 million | Post Capitalization Activity			$ (35.8)	$ (35.8)		$ 33.8
Bifurcation of the redeemable convertible Series A preferred stock’s derivative | Post Capitalization Activity						(9.7)
Bifurcation of the redeemable convertible Series A preferred stock’s derivative			9.7
Redemption value of the redeemable convertible Series A preferred stock | Post Capitalization Activity			(9.7)			$ 9.7			$ (9.7)
Redemption value of the redeemable convertible Series A preferred stock			35.8
Net (loss) income | Pre Capitalization Activity	(11.7)	(11.7)
Net (loss) income | Post Capitalization Activity	11.5									11.5
Net (loss) income	(0.2)
Other comprehensive loss | Pre Capitalization Activity	(4.7)											(4.7)
Other comprehensive loss | Post Capitalization Activity	(0.8)											(0.8)
Other comprehensive loss	(5.5)
Release of common stock shares upon vesting of restricted stock units, shares | Post Capitalization Activity							0.3
Shares withheld for the withholdings on vesting of restricted stock units, value | Post Capitalization Activity	(2.9)							(2.9)
Shares withheld for the withholdings on vesting of restricted stock units, shares | Post Capitalization Activity							(0.1)
Exercise of stock options | Post Capitalization Activity	0.1							0.1
Stock-based compensation | Post Capitalization Activity	4.4							4.4
Accrued dividend for redeemable convertible Series A preferred stock | Post Capitalization Activity			$ (0.1)								$ (0.1)
Total post-capitalization activity, shares | Post Capitalization Activity							59.0
Total post-capitalization activity | Post Capitalization Activity	$ (33.3)	$ (492.5)			$ 33.8		$ 0.1	$ 448.5		$ 11.4		$ (0.8)