Balance Sheet Components (Schedule Of Balance Sheet Components) (Details) (USD $)	Sep. 30, 2011	Oct. 01, 2010
Balance Sheet Components [Abstract]
Raw materials and parts	$ 231,900,000	$ 208,800,000
Work-in-progress	54,500,000	54,300,000
Finished goods	123,600,000	100,800,000
Total inventories	409,962,000	363,933,000
Land and land improvements	42,700,000	42,500,000
Buildings and leasehold improvements	211,800,000	189,300,000
Machinery and equipment	324,400,000	303,300,000
Construction in progress	18,700,000	25,700,000
Assets subject to lease	3,500,000	2,000,000
Property, plant and equipment, gross, total	601,100,000	562,800,000
Accumulated depreciation and amortization	(315,200,000)	(294,900,000)
Property, plant and equipment, net	285,894,000	267,927,000
Accrued compensation and benefits	144,800,000	129,800,000
Income taxes payable	34,500,000	42,100,000
Current deferred tax liabilities	3,200,000	3,900,000
Other	107,500,000	112,100,000
Total accrued expenses	290,009,000	287,851,000
Long-term income taxes payable	44,800,000	56,800,000
Other	77,900,000	70,400,000
Total other long-term liabilities	$ 122,708,000	$ 127,175,000