Note 15 Stock-Based Compensation (Tables)

12 Months Ended

Sep. 28, 2019

Share-based Payment Arrangement, Noncash Expense [Abstract]

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

	Year Ended
	September 28, 2019		September 29, 2018		September 30, 2017
	(In thousands)
Stock options	$	1,250	$	1,779	$	1,640
Restricted stock units, including performance-based awards	29,594		31,046		36,280
Total	$	30,844	$	32,825	$	37,920

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

	Year Ended
	September 28, 2019		September 29, 2018			September 30, 2017
	(In thousands)
Cost of sales	$	9,757	$	8,187		$	8,959
Selling, general & administrative	20,807		25,206			28,169
Research & development	280		(568		)	792
Total	$	30,844	$	32,825		$	37,920

Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

	Number of Shares		Weighted Grant-Date Fair Value Per Share ($)	Weighted-Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value ($)
	(In thousands)				(In thousands)
Outstanding as of October 1, 2016	3,998		19.57	1.35	110,183
Granted	1,378		34.11
Vested/Forfeited/Cancelled	(2,017	)	16.20
Outstanding as of September 30, 2017	3,359		27.56	1.51	124,800
Granted	1,102		33.51
Vested/Forfeited/Cancelled	(1,158	)	25.31
Outstanding as of September 29, 2018	3,303		30.33	1.21	97,913
Granted	1,843		25.09
Vested/Forfeited/Cancelled	(1,993	)	29.46
Outstanding as of September 28, 2019	3,153		27.82	1.30	102,720
Expected to vest as of September 28, 2019	2,660		27.99	1.14	86,655