XML 71 R59.htm IDEA: XBRL DOCUMENT v3.7.0.1
Share-Based Compensation - Summary of Stock Option Activity (Details)
6 Months Ended
Jul. 01, 2017
$ / shares
shares
Shares  
Granted (in shares) 0
Non-qualified Options  
Shares  
Outstanding at beginning of period (in shares) 154,551
Granted (in shares) 0
Exercised (in shares) (81,705)
Forfeited (in shares) 0
Expired (in shares) (5,941)
Outstanding at end of period (in shares) 66,905
Exercisable at end of period (in shares) 66,905
Weighted- Average Exercise Price  
Outstanding at beginning of period (usd per share) | $ / shares $ 35.96
Granted (usd per share) | $ / shares 0.00
Exercised (usd per share) | $ / shares 36.94
Forfeited (usd per share) | $ / shares 0.00
Expired (usd per share) | $ / shares 41.25
Outstanding at end of period (usd per share) | $ / shares 34.30
Exercisable at end of period (usd per share) | $ / shares $ 34.30