Exhibit 99.1
Return on Invested Capital ("ROIC") and Economic Return Calculations (dollars in thousands):
	Nine Months Ended				Six Months Ended				Nine Months Ended
	Jun 29,				Mar 30,				Jun 30,
	2019				2019				2018
Operating income, as reported		$	104,528			$	70,125			$	81,318
One-time employee bonus	+	—			+	—			+	13,512
Adjusted operating income		$	104,528			$	70,125			$	94,830
	÷	3							÷	3
		34,843								31,610
	x	4			x	2			x	4
Adjusted annualized operating income		$	139,372			$	140,250			$	126,440
Adjusted effective tax rate	x	15		%	x	15		%	x	10		%
Tax impact		20,906				21,038				12,644
Adjusted operating income (tax effected)		$	118,466			$	119,212			$	113,796
Average invested capital	÷	$	921,435		÷	$	898,929		÷	$	716,374
ROIC		12.9		%		13.3		%		15.9		%
Weighted average cost of capital	-	9.0		%	-	9.0		%	-	9.5		%
Economic return		3.9		%		4.3		%		6.4		%

	Three Months Ended
Average Invested Capital	Jun 29,		Mar 30,		Dec 29,		Sept 29,
	2019		2019		2018		2018
Equity	$	860,791	$	875,444	$	905,163	$	921,143
Plus:
Debt - current	138,976		93,197		8,633		5,532
Debt - long-term	187,581		187,120		187,567		183,085
Less:
Cash and cash equivalents	(198,395)		(184,028)		(188,799)		(297,269)
	$	988,953	$	971,733	$	912,564	$	812,491

	Three Months Ended
Average Invested Capital	Jun 30,		Mar 31,		Dec 30,		Sept 30,
	2018		2018		2017		2017
Equity	$	882,360	$	920,503	$	933,849	$	1,025,939
Plus:
Debt - current	6,365		180,772		179,881		286,934
Debt - long-term	180,204		27,217		26,047		26,173
Less:
Cash and cash equivalents	(332,723)		(402,470)		(506,694)		(568,860)
	$	736,206	$	726,022	$	633,083	$	770,186