Income Taxes (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 29, 2014	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Income Tax Expense (Benefit)		$ 11,963	$ 6,112	$ 2,724
Valuation Allowance, Deferred Tax Asset, Change in Amount		17,500	7,900	7,000
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations		0	3,810
Deferred Tax Assets, Operating Loss Carryforwards, State and Local		118,300
Valuation Allowance Related To Tax Deductions For Stock-Based Compensation		4,800
Undistributed Earnings of Foreign Subsidiaries		825,700
Uncertain tax benefits		2,400
Unrecognized tax benefits that would reduce company's effective tax rate if recognized		600	1,100
Total accrued penalties and net accrued interest with respect to income taxes		200	200	1,100
Income Tax Examination, Penalties and Interest Expense		100
Other Noncurrent Liabilities [Member]
Uncertain tax benefits		600
Deferred Income Tax Charge [Member]
Uncertain tax benefits		1,800
EMEA
Valuation Allowance, Deferred Tax Asset, Change in Amount		2,000
AMER and EMEA [Member]
Valuation Allowance, Deferred Tax Asset, Change in Amount				5,200
United Kingdom
Valuation Allowance, Deferred Tax Asset, Change in Amount				1,800
AMER
Valuation Allowance, Deferred Tax Asset, Change in Amount		$ 14,400
APAC
Income Tax Holiday, Termination Date	December 31, 2013	December 31, 2024
Income Tax Holiday, Aggregate Dollar Amount		$ 29,900	$ 24,100	$ 22,700
Income Tax Holiday, Income Tax Benefits Per Share		$ 0.89	$ 0.71	$ 0.66
Out-of-period tax errors [Member]
Valuation Allowance, Deferred Tax Asset, Change in Amount			$ 3,200
Net of Fx Impact [Member]
Valuation Allowance, Deferred Tax Asset, Change in Amount		$ 16,400