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Earnings Per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended					3 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012 1% senior convertible notes	Oct. 01, 2011 1% senior convertible notes	Jun. 05, 2006 1% senior convertible notes	Sep. 29, 2012 Stock options and ESPP	Oct. 01, 2011 Stock options and ESPP	Sep. 29, 2012 Restricted shares and stock units	Oct. 01, 2011 Restricted shares and stock units
Numerator:
Loss from continuing operations, net of tax	$ (9.8)	$ (3.6)
Loss from discontinued operations, net of tax	(1.8)	(2.2)
Net loss	$ (11.6)	$ (5.8)
Denominator:
Weighted-average number of common shares outstanding-Basic and diluted	232.8	228.4
Loss from continuing operations, net of tax - basic and diluted (in dollars per share)	$ (0.04)	$ (0.02)
Loss from discontinued operations, net of tax - basic and diluted (in dollars per share)	$ (0.01)	$ (0.01)
Net loss per share - basic and diluted	$ (0.05)	$ (0.03)
Anti-dilutive securities excluded from computation of earnings per share
Total potentially dilutive securities (in shares)	17.0	18.4				8.5	11.0	8.5	7.4
Convertible notes
Interest rate on Senior convertible notes (as a percent)			1.00%	1.00%	1.00%
Conversion price of debt (in dollars per share)			$ 30.30