Goodwill and Intangible Assets (Tables)

3 Months Ended

Jan. 02, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets Excluding Goodwill

Intangible assets consist of the following (in millions):

		As of							As of
	Weighted Average Amortization Period Remaining (Years)	January 2, 2015							October 3, 2014
		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer relationships	1.8	$	57.2	$	(41.9	)	$	15.3	$	57.2	$	(39.4	)	$	17.8
Developed technology and other	2.3	96.2		(46.6		)	49.6		96.2		(40.6		)	55.6
Trademarks	Indefinite	1.6		—			1.6		1.6		—			1.6
Total intangible assets		$	155.0	$	(88.5	)	$	66.5	$	155.0	$	(80.0	)	$	75.0

Schedule Of Expected Annual Amortization Expense Related To Intangible Assets For The Next Five Years

Annual amortization expense for the next five years related to intangible assets is expected to be as follows (in millions):

	Remaining 2015		2016		2017		2018		2019		Thereafter
Amortization expense	$	24.7	$	28.3	$	12.0	$	—	$	—	$	—