Taxes On Earnings - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Oct. 01, 2010	Oct. 02, 2009
Income Tax [Line Items]
Decrease in valuation allowance	$ (1.1)
Valuation allowance	45.8
Minimum likelihood percentage of uncertain tax position being realized upon settlement	50.00%
Unrecognized tax benefits	38.8	37.1	46.4	58.9
Amount that would affect the effective tax rate	33.1
Accrued interest and penalties related to unrecognized tax benefits	5.5	7.6
Net benefit related to interest and penalties was included in taxes on earnings	2.2	2.8
Accel
Income Tax [Line Items]
Valuation allowance for ACCEL's deferred tax asset as of the acquisition date	15.3
Foreign Tax Authority
Income Tax [Line Items]
Cumulative undistributed earnings of non-U.S subsidiaries	1,051.2
Additional deferred taxes if earnings were not considered to be reinvested indefinitely	281.7
Net operating loss carry forwards	152.7
Amount unavailable to the company under local loss utilization	38.6
Federal
Income Tax [Line Items]
Net operating loss carry forwards	16.3
Net operating loss carryforwards expiring period	Between 2018 and 2031
Net operating loss carryforwards subject to an annual limitation	1.3
State and Local Jurisdiction
Income Tax [Line Items]
Net operating loss carry forwards	$ 14.8
Net operating loss carryforwards expiring period	Between 2013 and 2034