Restructuring and Related Charges (Details) $ in Millions	3 Months Ended								12 Months Ended
	Jun. 27, 2015 USD ($)	Mar. 28, 2015 USD ($) employee	Dec. 27, 2014 USD ($) item	Sep. 27, 2014 USD ($) employee item	Jun. 28, 2014 USD ($) employee	Mar. 29, 2014 USD ($) employee	Dec. 28, 2013 USD ($) employee	Sep. 28, 2013 USD ($)	Jun. 27, 2015 USD ($) employee	Jun. 28, 2014 USD ($)	Jun. 29, 2013 USD ($)
Restructuring and Related Charges
Contractual obligations under the operating lease, net of sublease income, fair value	$ 1.1				$ 3.1				$ 1.1	$ 3.1
New reportable segments | item				2
Summary of various restructuring plans
Accrual balance at the beginning of the period				$ 26.2					26.2
Restructuring expenses	13.6	$ 8.3	$ 9.7	$ 2.9	20.0	$ 3.6	$ 1.0		34.5	23.8	$ 19.0
Restructuring recoveries								$ (0.8)
Cash Settlements									(27.1)
Non-cash settlements and other adjustments									(1.5)
Accrual balance at the end of the period	32.1				$ 26.2				32.1	26.2
CCOP Robbinsville Closure Plan
Restructuring and Related Charges
Number of employees expected to be reduced | employee				30
Summary of various restructuring plans
Restructuring expenses									1.7
Cash Settlements									(1.7)
NE Realignment Plan (Workforce Reduction) | Hologram Business
Restructuring and Related Charges
Number of employees expected to be reduced | employee					100
CCOP Serangoon Closure Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period				$ 1.7					1.7
Restructuring expenses									0.4
Cash Settlements									(2.1)
Accrual balance at the end of the period					$ 1.7					1.7
CCOP Serangoon Closure Plan | Hologram Business
Restructuring and Related Charges
Number of employees expected to be reduced | employee					40
Shared Services Restructuring Plan (Workforce Reduction) | Hologram Business
Restructuring and Related Charges
Number of employees expected to be reduced | employee					40
NE Product Strategy Restructuring Plan (Workforce Reduction) | Hologram Business
Restructuring and Related Charges
Number of employees expected to be reduced | employee						60
NE Lease Restructuring Plan (first floor)
Restructuring and Related Charges
Contractual obligations under the operating lease, net of sublease income, fair value	5.2								5.2
Central Finance and IT Restructuring Plan (Workforce Reduction) | Hologram Business
Restructuring and Related Charges
Number of employees expected to be reduced | employee							20
NE Lease Restructuring Plan (Lease Costs)
Restructuring and Related Charges
Contractual obligations under the operating lease, net of sublease income, fair value		$ 1.5
Other Plans
Summary of various restructuring plans
Accrual balance at the beginning of the period				0.7					0.7
Restructuring expenses									0.6
Cash Settlements									(1.0)
Accrual balance at the end of the period	0.3				$ 0.7				0.3	0.7
Plans Prior to Fiscal 2013
Summary of various restructuring plans
Accrual balance at the beginning of the period				2.5					2.5
Restructuring expenses									0.5
Cash Settlements									(1.8)
Non-cash settlements and other adjustments									(0.3)
Accrual balance at the end of the period	0.9				2.5				0.9	2.5
Workforce Reduction | NE, SE and Shared Service Separation Restructuring Plan
Restructuring and Related Charges
Number of employees expected to be reduced | employee		400
New reportable segments | item			2
Summary of various restructuring plans
Restructuring expenses									24.9
Cash Settlements									(9.8)
Non-cash settlements and other adjustments									(0.2)
Accrual balance at the end of the period	14.9								$ 14.9
Workforce Reduction | CCOP Separation Restructuring Plan (Workforce Reduction)
Restructuring and Related Charges
Number of employees expected to be reduced | employee									200
Summary of various restructuring plans
Restructuring expenses									$ 5.1
Cash Settlements									(0.5)
Accrual balance at the end of the period	4.6								4.6
Workforce Reduction | CCOP Robbinsville Closure Plan
Summary of various restructuring plans
Restructuring expenses									1.5
Cash Settlements									(1.5)
Workforce Reduction | NE Realignment Plan (Workforce Reduction)
Summary of various restructuring plans
Accrual balance at the beginning of the period				4.6					4.6
Restructuring expenses									0.3
Cash Settlements									(4.2)
Non-cash settlements and other adjustments									(0.1)
Accrual balance at the end of the period	0.6				4.6				0.6	4.6
Workforce Reduction | CCOP Serangoon Closure Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period				1.7					1.7
Restructuring expenses									0.1
Cash Settlements									(1.8)
Accrual balance at the end of the period					1.7					1.7
Workforce Reduction | Shared Services Restructuring Plan (Workforce Reduction)
Summary of various restructuring plans
Accrual balance at the beginning of the period				1.8					1.8
Restructuring expenses									0.1
Cash Settlements									(1.2)
Accrual balance at the end of the period	0.7				1.8				0.7	1.8
Workforce Reduction | NE Product Strategy Restructuring Plan (Workforce Reduction)
Summary of various restructuring plans
Accrual balance at the beginning of the period				4.4					4.4
Restructuring expenses									0.4
Cash Settlements									(1.9)
Non-cash settlements and other adjustments									(0.6)
Accrual balance at the end of the period	2.3				4.4				2.3	4.4
Workforce Reduction | Central Finance and IT Restructuring Plan (Workforce Reduction)
Summary of various restructuring plans
Accrual balance at the beginning of the period				1.5					1.5
Cash Settlements									(0.1)
Non-cash settlements and other adjustments									(0.3)
Accrual balance at the end of the period	1.1				1.5				1.1	1.5
Lease Costs | CCOP Robbinsville Closure Plan
Summary of various restructuring plans
Restructuring expenses									0.1
Cash Settlements									(0.1)
Lease Costs | CCOP Serangoon Closure Plan
Summary of various restructuring plans
Restructuring expenses									0.3
Cash Settlements									(0.3)
Lease Costs | NE Lease Restructuring Plan (first floor)
Summary of various restructuring plans
Accrual balance at the beginning of the period				6.9					6.9
Restructuring expenses									0.6
Cash Settlements									(2.3)
Accrual balance at the end of the period	5.2				6.9				5.2	6.9
Lease Costs | NE Lease Restructuring Plan (Lease Costs)
Summary of various restructuring plans
Accrual balance at the beginning of the period				2.1					2.1
Restructuring recoveries									(0.1)
Cash Settlements									(0.5)
Accrual balance at the end of the period	1.5				2.1				1.5	2.1
Transfer Costs | CCOP Robbinsville Closure Plan
Summary of various restructuring plans
Restructuring expenses									0.1
Cash Settlements									(0.1)
Ottawa Lease Exit Costs
Summary of various restructuring plans
Accrual balance at the beginning of the period				$ 3.1					3.1
Restructuring recoveries									(0.7)
Cash Settlements									(1.0)
Non-cash settlements and other adjustments									(0.3)
Accrual balance at the end of the period	$ 1.1				$ 3.1				$ 1.1	$ 3.1