Computation of Earnings Per Share (Tables)

3 Months Ended

Mar. 30, 2018

Earnings Per Share Reconciliation [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	For the Three Months Ended
	March 30, 2018		March 31, 2017
In thousands, except per share amounts
Net earnings	$	14,066	$	6,291
Basic:
Weighted average number of shares outstanding	27,851		27,144
Basic earnings per share	$	0.51	$	0.23
Diluted:
Weighted average number of shares outstanding	27,851		27,144
Weighted average shares issuable on exercise of dilutive stock options	220		168
Weighted average shares issuable on redemption of 2017 Notes	—		1,146
Weighted average shares issuable on redemption of warrants related to the 2017 Notes	97		439
Total	28,168		28,897
Diluted earnings per share	$	0.50	$	0.22