Note O - Repurchase of Common Stock - Purchases of Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended			3 Months Ended	6 Months Ended
	Mar. 28, 2020	Feb. 29, 2020	Feb. 01, 2020	Mar. 28, 2020	Mar. 28, 2020
Treasury Stock, Shares, Acquired (in shares)	46,210	53,761		99,971	3,598,933
Average price paid per share (in dollars per share)	$ 18.08	$ 22.21		$ 20.30
Total number of shares purchased as part of publicly announced plans (in shares)	46,210	53,761		99,971	3,598,933
Dollar value of shares that may yet be purchased under the plans	$ 7.5	$ 8.3	$ 9.5	$ 7.5	$ 7.5