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Earnings Per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013 1% senior convertible notes	Jun. 05, 2006 1% senior convertible notes	Mar. 30, 2013 Stock options and ESPP	Mar. 31, 2012 Stock options and ESPP	Mar. 30, 2013 Stock options and ESPP	Mar. 31, 2012 Stock options and ESPP	Mar. 30, 2013 RSUs	Mar. 31, 2012 RSUs	Mar. 30, 2013 RSUs	Mar. 31, 2012 RSUs
Numerator:
Loss from continuing operations, net of tax	$ (28.0)	$ (16.2)	$ (34.5)	$ (27.5)
Loss from discontinued operations, net of tax		(1.2)	(1.0)	(5.9)
Net loss	$ (28.0)	$ (17.4)	$ (35.5)	$ (33.4)
Denominator:
Weighted-average number of common shares outstanding-Basic and diluted	235.9	230.6	234.4	229.5
Basic and diluted net loss per share from:
Continuing operations, net of tax (in dollars per share)	$ (0.12)	$ (0.07)	$ (0.15)	$ (0.12)
Discontinued operations, net of tax (in dollars per share)		$ (0.01)		$ (0.03)
Net loss (in dollars per share)	$ (0.12)	$ (0.08)	$ (0.15)	$ (0.15)
Anti-dilutive securities excluded from computation of earnings per share
Total potentially dilutive securities (in shares)	16.6	17.4	17.2	18.1			7.1	9.7	7.9	10.3	9.5	7.7	9.3	7.8
Convertible notes
Interest rate on Senior convertible notes (as a percent)					1.00%	1.00%
Conversion price of debt (in dollars per share)					$ 30.30