Restructuring and Related Charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended		3 Months Ended
	Mar. 28, 2015	Dec. 27, 2014 item	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014	Sep. 27, 2014 item	Dec. 28, 2013 item	Jun. 28, 2014 item
Restructuring and Related Charges
Contractual obligations under the operating lease, net of sublease income, fair value	$ 1.1			$ 1.1				3.1
New reportable segments		2
Summary of various restructuring plans
Accrual balance at the beginning of the period				26.2		26.2
Restructuring expenses	8.3		3.6	20.9	3.8
Cash Settlements				(18.2)
Non-cash settlements and other adjustments				(1.6)
Accrual balance at the end of the period	27.3			27.3
Separation Restructuring Plan (Workforce Reduction)
Restructuring and Related Charges
Number of employees expected to be reduced	80
CCOP Robbinsville Closure Plan (Workforce Reduction)
Restructuring and Related Charges
Number of employees expected to be reduced						30
Summary of various restructuring plans
Restructuring expenses	0.1			1.6
Cash Settlements				(1.1)
Accrual balance at the end of the period	0.5			0.5
Central Finance and IT Restructuring Plan (Workforce Reduction) | Hologram Business
Restructuring and Related Charges
Number of employees expected to be reduced							20
NE Realignment Plan | Hologram Business
Restructuring and Related Charges
Number of employees expected to be reduced								100
CCOP Serangoon Closure Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period				1.7		1.7
Restructuring expenses	0.3			0.4
Cash Settlements				(1.8)
Accrual balance at the end of the period	0.3			0.3
CCOP Serangoon Closure Plan | Hologram Business
Restructuring and Related Charges
Number of employees expected to be reduced								40
Shared Services Restructuring Plan | Hologram Business
Restructuring and Related Charges
Number of employees expected to be reduced								40
NE Product Strategy Restructuring Plan | Hologram Business
Restructuring and Related Charges
Number of employees expected to be reduced			60
Other plans
Summary of various restructuring plans
Accrual balance at the beginning of the period				0.7		0.7
Restructuring expenses	0.1			0.7
Cash Settlements				(1.0)
Accrual balance at the end of the period	0.4			0.4
Plans Prior to Fiscal 2013
Summary of various restructuring plans
Accrual balance at the beginning of the period				2.5		2.5
Restructuring expenses				0.6
Cash Settlements				(1.5)
Non-cash settlements and other adjustments				(0.3)
Accrual balance at the end of the period	1.3			1.3
Workforce Reduction | Separation Restructuring Plan (Workforce Reduction)
Restructuring and Related Charges
Number of employees expected to be reduced	220
New reportable segments		2
Summary of various restructuring plans
Restructuring expenses	7.4			16.4
Cash Settlements				(4.0)
Non-cash settlements and other adjustments				(0.2)
Accrual balance at the end of the period	12.2			12.2
Workforce Reduction | CCOP Robbinsville Closure Plan (Workforce Reduction)
Summary of various restructuring plans
Restructuring expenses				1.5
Cash Settlements				(1.1)
Accrual balance at the end of the period	0.4			0.4
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			1.1
Workforce Reduction | NE Realignment Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period				4.6		4.6
Restructuring expenses	0.3			0.3
Cash Settlements				(4.0)
Non-cash settlements and other adjustments				(0.1)
Accrual balance at the end of the period	0.8			0.8
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				(1.6)
Accrual balance at the end of the period	0.2			0.2
Workforce Reduction | Shared Services Restructuring Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period				1.8		1.8
Restructuring expenses				0.1
Cash Settlements				(0.9)
Accrual balance at the end of the period	1.0			1.0
Workforce Reduction | NE Product Strategy Restructuring Plan
Summary of various restructuring plans
Accrual balance at the beginning of the period				4.4		4.4
Restructuring expenses				0.4
Cash Settlements				(1.6)
Non-cash settlements and other adjustments				(0.7)
Accrual balance at the end of the period	2.5			2.5
Ottawa Lease Exit Costs
Summary of various restructuring plans
Accrual balance at the beginning of the period				3.1		3.1
Restructuring expenses	(0.9)			(0.9)
Cash Settlements				(0.8)
Non-cash settlements and other adjustments				(0.3)
Accrual balance at the end of the period	1.1			1.1
Lease Costs | CCOP Robbinsville Closure Plan (Workforce Reduction)
Summary of various restructuring plans
Restructuring expenses	0.1			0.1
Accrual balance at the end of the period	0.1			0.1
Lease Costs | CCOP Serangoon Closure Plan
Summary of various restructuring plans
Restructuring expenses	0.3			0.3
Cash Settlements				(0.2)
Accrual balance at the end of the period	0.1			0.1
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	0.1			0.5
Cash Settlements				(1.8)
Accrual balance at the end of the period	5.6			5.6
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 expenses				(0.1)
Cash Settlements				(0.4)
Accrual balance at the end of the period	$ 1.6			$ 1.6