Restructuring Activity (Details) (USD $)	3 Months Ended				3 Months Ended			3 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Sep. 28, 2012 Fiscal 2012 Restructuring Action Employee terminations	Jun. 29, 2012 Fiscal 2012 Restructuring Action Employee terminations	Sep. 28, 2012 Fiscal 2012 Restructuring Action Planned office and legal entity closures	Sep. 28, 2012 Fiscal 2011 Restructuring Action Employee terminations	Jun. 29, 2012 Fiscal 2011 Restructuring Action Employee terminations	Sep. 28, 2012 Minimum Fiscal 2012 Restructuring Action	Sep. 28, 2012 Minimum Fiscal 2012 Restructuring Action Employee terminations	Sep. 28, 2012 Maximum Fiscal 2012 Restructuring Action	Sep. 28, 2012 Maximum Fiscal 2012 Restructuring Action Employee terminations	Mar. 16, 2012 Europe Fiscal 2012 Restructuring Action
Restructuring activity:
Percentage of workforce planned to be reduced												25.00%
Expected restructuring costs					$ 1,000,000			$ 14,000,000	$ 13,000,000	$ 17,000,000	$ 16,000,000
Activity in accrued restructuring:
Balance at beginning of period			718,000	1,621,000		0	210,000
Costs incurred	1,474,000	133,000	1,474,000			0
Cash payments			(2,377,000)			(210,000)
Balance at end of period			$ 718,000	$ 1,621,000		$ 0	$ 210,000