Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2016

Stockholders' Equity Note [Abstract]

Summary of Share Count and Par Value Data Related to Shareholders' Equity

Share count and par value data related to shareholders’ equity are as follows:

	As of
	September 30,	December 31,
	2016	2015
Preferred Stock
Par value per share	No par value	No par value
Shares authorized	25,000,000	25,000,000
Shares outstanding	—	—
Common Stock
Par value per share	No par value	No par value
Shares authorized	75,000,000	75,000,000
Shares issued	56,453,531	56,242,499
Shares outstanding	32,759,509	32,548,477
Treasury stock
Shares held	23,694,022	23,694,022

Summary of Common Shares Outstanding

A roll-forward of common shares outstanding is as follows:

	Nine Months Ended
	September 30,	September 27,
	2016	2015
Balance at the beginning of the year	32,548,477	33,392,060
Repurchases	—	(851,882	)
Shares issued upon exercise of stock options	—	5,200
Restricted share issuances	211,032	134,919
Balance at the end of the period	32,759,509	32,680,297

Certain potentially dilutive restricted stock units are excluded from diluted earning per share because they are anti-dilutive. The number of awards that were anti-dilutive at September 30, 2016 and September 27, 2015 were 2,019 and 0, respectively.