Restructuring Activity (Details) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		6 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Dec. 28, 2012	Dec. 30, 2011	Dec. 28, 2012 Fiscal 2012 Restructuring Action Employee terminations	Sep. 28, 2012 Fiscal 2012 Restructuring Action Employee terminations	Dec. 28, 2012 Fiscal 2012 Restructuring Action Employee terminations	Jun. 29, 2012 Fiscal 2012 Restructuring Action Employee terminations	Dec. 28, 2012 Minimum Fiscal 2012 Restructuring Action	Dec. 28, 2012 Minimum Fiscal 2012 Restructuring Action Employee terminations	Dec. 28, 2012 Maximum Fiscal 2012 Restructuring Action	Dec. 28, 2012 Maximum Fiscal 2012 Restructuring Action Employee terminations	Dec. 28, 2012 Maximum Fiscal 2012 Restructuring Action Planned office and legal entity closures	Mar. 16, 2012 Europe Fiscal 2012 Restructuring Action
Restructuring activity:
Percentage of workforce planned to be reduced														25.00%
Expected restructuring costs									$ 14,000,000	$ 13,000,000	$ 17,000,000	$ 16,000,000	$ 1,000,000
Activity in accrued restructuring:
Balance at beginning of period					3,006,000	718,000	3,006,000	1,621,000
Costs incurred	2,867,000	(23,000)	4,341,000	110,000	2,866,000	1,474,000	4,300,000
Cash payments					(578,000)	(2,377,000)
Balance at end of period					$ 3,006,000	$ 718,000	$ 3,006,000	$ 1,621,000