Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share - Summary of Basic and Diluted Weighted-Average Shares Outstanding (Details)

v3.8.0.1
Earnings Per Share - Summary of Basic and Diluted Weighted-Average Shares Outstanding (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Sep. 30, 2017
Oct. 01, 2016
Earnings Per Share [Abstract]        
Weighted Average Shares - Basic (in shares) 28,322 28,925 28,779 29,199
Net Effect of Dilutive Stock Options (in shares) 678 883 978 937
Weighted Average Shares - Diluted (in shares) 29,000 29,808 29,757 30,136