Restructuring and Related Charges - Additional Information (Details) $ in Millions	3 Months Ended
	Sep. 26, 2015 USD ($) employee	Sep. 27, 2014 USD ($)	Jun. 27, 2015 USD ($)
Summary of Restructuring Plans [Line Items]
Restructuring and related charges accrual	$ 5.1		$ 4.9
Restructuring charges	0.9	$ 1.8
Restructuring charges	1.0	$ 1.8
Restructuring obligation, current	5.6		3.2
Restructuring obligation, non-current	0.5		1.7
Ottawa Lease
Summary of Restructuring Plans [Line Items]
Restructuring and related charges accrual	1.0		1.1
Restructuring charges	0.1
Other Current Liabilities
Summary of Restructuring Plans [Line Items]
Restructuring obligation, current	5.1		3.2
Other Current Liabilities | Ottawa Lease
Summary of Restructuring Plans [Line Items]
Restructuring obligation, current	0.5		0.5
Other Noncurrent Liabilities
Summary of Restructuring Plans [Line Items]
Restructuring obligation, non-current	0.0		1.7
Other Noncurrent Liabilities | Ottawa Lease
Summary of Restructuring Plans [Line Items]
Restructuring obligation, non-current	0.5		0.5
Separation Restructuring Plan
Summary of Restructuring Plans [Line Items]
Restructuring and related charges accrual	$ 5.1		$ 4.9
Number of employees expected to be reduced | employee	200
Restructuring charges	$ 0.9