XML 75 R63.htm IDEA: XBRL DOCUMENT v3.8.0.1
Share-based Arrangements - Restricted Stock Activity (Details) - Restricted Stock Awards
3 Months Ended
Mar. 30, 2018
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Restricted Stock outstanding at beginning of the period (in shares) | shares 154,882
Granted (in shares) | shares 42,490
Vested (in shares) | shares (42,361)
Forfeited or expired (in shares) | shares (1,742)
Restricted Stock outstanding at end of period (in shares) | shares 153,269
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Restricted Stock outstanding at beginning of period, Weighted-average grant date fair value (usd per share) | $ / shares $ 44.50
Granted, Weighted Average Grant Date Fair Value (usd per share) | $ / shares 62.46
Vested, Weighted Average Grant Date Fair Value (usd per share) | $ / shares 42.64
Forfeited or expired, Weighted Average Grant Date Fair Value (usd per share) | $ / shares 45.41
Restricted Stock outstanding at end of period Weighted-average grant date fair value (usd per share) | $ / shares $ 49.98