Balance Sheet and Other Details (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended													3 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012	Dec. 31, 2011	Jun. 30, 2012	Dec. 29, 2012 Santa Rosa and Eningen site sale and leaseback transaction	Jun. 30, 2012 Santa Rosa and Eningen site sale and leaseback transaction	Dec. 29, 2012 Santa Rosa Sale Leaseback Transaction	Jun. 30, 2012 Santa Rosa Sale Leaseback Transaction	Dec. 29, 2012 Land	Jun. 30, 2012 Land	Dec. 29, 2012 Building and improvements	Jun. 30, 2012 Building and improvements	Dec. 29, 2012 Machinery and equipment	Jun. 30, 2012 Machinery and equipment	Sep. 29, 2012 Capital investment project in Beijing, China	Dec. 29, 2012 Furniture, fixtures, software and office equipment.	Jun. 30, 2012 Furniture, fixtures, software and office equipment.	Dec. 29, 2012 Leasehold improvements	Jun. 30, 2012 Leasehold improvements	Dec. 29, 2012 Construction in progress	Jun. 30, 2012 Construction in progress
Property, Plant and Equipment
Property, plant and equipment, gross	$ 781.1		$ 781.1		$ 765.6					$ 15.5	$ 14.1	$ 38.7	$ 35.8	$ 444.0	$ 421.3		$ 171.1	$ 166.1	$ 93.0	$ 95.3	$ 18.8	$ 33.0
Less: Accumulated depreciation	(530.8)		(530.8)		(512.7)
Property, plant and equipment, net	250.3		250.3		252.9
Economic useful life																20 years
Property, plant and equipment, net						20.7	21.4
Depreciation expense	16.9	17.1	33.8	34.2
Other Non-Current Liabilities
Pension accrual and post-employment benefits	89.8		89.8		85.2
Deferred taxes	4.0		4.0		4.7
Restructuring accrual	3.5		3.5		4.0
Financing obligation	35.0		35.0		35.4			28.0	28.5
Non-current income taxes payable	10.8		10.8		9.3
Asset retirement obligations	8.5		8.5		9.2
Long-term deferred revenue	25.3		25.3		16.1
Other	15.6		15.6		12.7
Total other non-current liabilities	192.5		192.5		176.6
Prepayments and Other Current Assets
Prepayments	31.1		31.1		30.9
Advances to contract manufacturers	16.4		16.4		18.4
Deferred income tax	2.4		2.4		2.3
Refundable income taxes	2.8		2.8		4.7
Other receivables	18.5		18.5		13.0
Other current assets	7.2		7.2		7.9
Total prepayments and other current assets	78.4		78.4		77.2
Other Current Liabilities
Deferred compensation plan	4.9		4.9		4.6
Warranty accrual	6.8		6.8		8.1
VAT liabilities	5.5		5.5		2.7
Restructuring accrual	5.6		5.6		8.6
Deferred taxes	3.5		3.5		3.1
Other	6.8		6.8		10.8
Total other current liabilities	$ 33.1		$ 33.1		$ 37.9