Note 11 Earnings Per Share (Tables)

6 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended				Six Months Ended
	March 31, 2018		April 1, 2017		March 31, 2018			April 1, 2017
	(In thousands, except per share data)
Numerator:
Net income (loss)	$	24,632	$	31,717	$	(130,278	)	$	76,581
Denominator:
Weighted average common shares outstanding	70,441		74,761		71,096			74,156
Effect of dilutive stock options and restricted stock units	3,141		3,103		—			3,375
Denominator for diluted earnings per share	73,582		77,864		71,096			77,531
Net income (loss) per share:
Basic	$	0.35	$	0.42	$	(1.83	)	$	1.03
Diluted	$	0.33	$	0.41	$	(1.83	)	$	0.99