Per Share Amounts and Common Shares Outstanding (Tables)

6 Months Ended

Jun. 29, 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				Six Months Ended
	June 29, 2019		June 30, 2018		June 29, 2019		June 30, 2018
Income available to common shareholders:
Net income	$	19,747	$	21,714	$	19,254	$	15,087
Weighted-average shares:
Basic:
Outstanding	22,764		22,926		22,837		24,077
Partially-paid share subscriptions	151		195		302		362
Basic weighted-average shares	22,915		23,121		23,139		24,439
Diluted:
Basic from above	22,915		23,121		23,139		24,439
Incremental shares from assumed:
Exercise of stock subscription purchase rights	88		140		104		143
Exercise of stock options and awards	1,048		1,046		937		979
Diluted weighted-average shares	24,051		24,307		24,180		25,561
Net income per share:
Basic	$	.86	$	.94	$	.83	$	.62
Diluted	$	.82	$	.89	$	.80	$	.59

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

A summary of the activity of the common and redeemable shares outstanding for the six months endedJune 29, 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	(433,296	)	(569,267	)	(1,002,563	)
Shares sold	235,591		223,675		459,266
Stock subscription offering -- cash purchases	270,607		—		270,607
Options and awards exercised	191,532		—		191,532
Shares outstanding at June 29, 2019	17,502,931		5,296,563		22,799,494