Exhibit 99.1

ROIC calculation GAAP to non-GAAP reconciliation (dollars in millions):

	Fiscal year ended
	October 3,			September 27,			September 29,
	2009			2008			2007
Operating income	$	53.1		$	102.8		$	79.4
Plus unusual charges (restructuring and/or impairment)		8.5			2.1			1.8
Operating income (excluding unusual charges)		61.6			104.9			81.2
Tax rate (excluding unusual charges)		2.9	%		18.0	%		22.0	%
Operating income (tax effected)	$	59.9		$	86.1		$	63.4
Average invested capital	$	453.6		$	428.7		$	360.3
ROIC		13.2	%		20.1	%		17.6	%

Average Invested Capital

	Actual			Actual			Actual			Actual			Actual			Average invested
	10/3/09			7/4/2009			4/4/2009			1/3/2009			9/27/2008			capital
Equity	$	527.4		$	508.3		$	494.0		$	485.7		$	473.9
Plus:
Debt — current		16.9			17.0			16.9			17.0			16.7
Debt — non-current		133.9			138.3			141.4			145.5			154.5
Less:
Cash and cash equivalents		(258.4	)		(215.5	)		(201.3	)		(178.4	)		(166.0	)
	$	419.8		$	448.1		$	451.0		$	469.8		$	479.1		$	453.6

	Actual			Actual			Actual			Actual			Actual			Average invested
	9/27/2008			6/28/2008			3/29/2008			12/29/2007			9/29/07			capital
Equity	$	473.9		$	472.8		$	531.2		$	604.8		$	573.3
Plus:
Debt — current		16.7			1.6			1.6			1.8			1.7
Debt — non-current		154.5			174.1			24.5			24.7			25.1
Less:
Cash and cash equivalents		(166.0	)		(206.5	)		(144.2	)		(158.5	)		(154.1	)
Short-term investments		—			—			—			(54.5	)		(55.0	)
	$	479.1		$	442.0		$	413.1		$	418.3		$	391.0		$	428.7

	Actual			Actual			Actual			Actual			Actual			Average invested
	9/29/07			6/30/2007			3/31/2007			12/30/2006			9/30/2006			capital
Equity		573.3			540.4			518.0			503.5			481.6
Plus:
Debt — current		1.7			1.7			1.6			1.0			1.0
Debt — non-current		25.1			25.5			25.6			25.7			25.7
Less:
Cash and cash equivalents		(154.1	)		(145.2	)		(132.7	)		(132.9	)		(164.9	)
Short-term investments		(55.0	)		(45.0	)		(45.0	)		(45.0	)		(30.0	)
	$	391.0		$	377.4		$	367.5		$	352.3		$	313.4		$	360.3