Computation of Earnings Per Share (Tables)

6 Months Ended

Jun. 29, 2018

Earnings Per Share Reconciliation [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	For the Three Months Ended				For the Six Months Ended
	June 29, 2018		June 30, 2017		June 29, 2018		June 30, 2017
In thousands, except per share amounts
Net earnings	$	15,094	$	13,458	$	29,160	$	19,749
Basic:
Weighted average number of shares outstanding	27,971		27,557		27,911		27,351
Basic earnings per share	$	0.54	$	0.49	$	1.04	$	0.72
Diluted:
Weighted average number of shares outstanding	27,971		27,557		27,911		27,351
Weighted average shares issuable on exercise of dilutive stock options	237		141		228		154
Weighted average shares issuable on redemption of convertible notes	108		108		54		628
Weighted average shares issuable on redemption of warrants related to the 2017 Notes	33		36		65		237
Total	28,349		27,842		28,258		28,370
Diluted earnings per share	$	0.53	$	0.48	$	1.03	$	0.70