Per Share Amounts and Common Shares Outstanding (Tables)

3 Months Ended

Mar. 30, 2019

Equity [Abstract]

Schedule of earnings per share, basic and diluted [Table Text Block]

The per share amounts were computed as follows:

	Three Months Ended
	March 30, 2019			March 31, 2018
Income available to common shareholders:
Net loss	$	(493	)	$	(6,627	)
Weighted-average shares:
Basic:
Outstanding	22,910			25,229
Partially-paid share subscriptions	162			189
Basic weighted-average shares	23,072			25,418
Diluted:
Basic from above	23,072			25,418
Incremental shares from assumed:
Exercise of stock subscription purchase rights	119			146
Exercise of stock options and awards	827			912
Diluted weighted-average shares	24,018			26,476
Net loss per share--basic and diluted	$	(.02	)	$	(.26	)

Schedule of common and redeemable shares outstanding [Table Text Block]

A summary of the activity of the common and redeemable shares outstanding for the three months endedMarch 30, 2019 follows:

	Common Shares Net of Treasury Shares		Redeemable Shares		Total
Shares outstanding at January 1, 2019	17,238,497		5,642,155		22,880,652
Shares purchased	(195,048	)	(15,030	)	(210,078	)
Shares sold	—		209,416		209,416
Stock subscription offering -- cash purchases	39,636		—		39,636
Options and awards exercised	6,874		—		6,874
Shares outstanding at March 30, 2019	17,089,959		5,836,541		22,926,500