Note 14 Stock-Based Compensation (Tables)

6 Months Ended

Mar. 28, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

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

	Three Months Ended				Six Months Ended
	March 28, 2020		March 30, 2019		March 28, 2020			March 30, 2019
	(In thousands)
Stock options	$	—	$	6	$	(1,145	)	$	99
Restricted stock units, including performance based awards	7,783		6,620		15,834			12,343
Total	$	7,783	$	6,626	$	14,689		$	12,442

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

	Three Months Ended				Six Months Ended
	March 28, 2020		March 30, 2019		March 28, 2020		March 30, 2019
	(In thousands)
Cost of sales	$	2,582	$	2,582	$	5,494	$	4,317
Selling, general and administrative	5,127		3,939		9,052		7,929
Research and development	74		105		143		196
Total	$	7,783	$	6,626	$	14,689	$	12,442

Schedule of Restricted Stock Units Award Activity [Table Text Block]

	Number of Shares		Weighted- Average Grant Date Fair Value ($)	Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value ($)
	(In thousands)				(In thousands)
Outstanding as of September 28, 2019	3,153		27.82	1.30	102,720
Granted	1,223		33.61
Vested/Forfeited/Cancelled	(1,316	)	26.77
Outstanding as of March 28, 2020	3,060		30.59	1.68	64,817
Expected to vest as of March 28, 2020	2,581		30.87	1.66	54,671