Income Taxes (Details) (USD $)	3 Months Ended			12 Months Ended	3 Months Ended
	Sep. 23, 2012	Sep. 25, 2011	Jun. 24, 2012	Jun. 24, 2012 Deferred Tax Assets In UK Valuation Allowance Released Based On Other Evidence [Member]	Sep. 23, 2012 Deferred Tax Assets In U K Portion Reduced Due To Quarterly Amortization [Member]	Sep. 23, 2012 Deferred Tax Assets in US Portion Reduced due to Quarterly Amortization [Member]
Income Taxes [Abstract]
Effective tax rate (benefit) (in hundredths)	31.80%	22.20%
Income (loss) before income taxes	$ (21,825,000)	$ 28,210,000
Statutory tax rate (in hundredths)	35.00%
Current Foreign Tax Expense	2,200,000
Reduction of statutory tax rate in U.K. [Abstract]
Impact of rate reduction on deferred tax assets	3,200,000
Statutory tax rate in the U.K., prior to reduction (in hundredths)	25.00%
Statutory tax rate in the U.K., subsequent to reduction (in hundredths)	24.00%
Statutory tax rate in the U.K., further reduction (in hundredths)	23.00%
Valuation Allowance [Line Items]
Change in Valuation Allowance				(28,600,000)
Change in deferred tax assets [Abstract]
Reduction in Associated Deferred Charge					700,000	500,000
Reduction in associated valuation allowance due to deferred charge					300,000	400,000
Unrecognized Tax Benefits, Period Increase (Decrease), Total	800,000
Unrecognized Tax Benefits, Ending Balance	49,700,000
Increases to uncertain tax positions that would affect effective tax rate, if recognized	100,000
Expected increase (decrease) in uncertain tax positions during the next twelve months	(4,400,000)
Accrued interest and penalties related to uncertain tax positions	3,200,000
Change in Accrued Interest and Penalties	100,000
Undistributed Earnings of Foreign Subsidiaries			$ 95,300,000