XML 48 R33.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies - Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Sep. 30, 2017
Oct. 01, 2016
Tax provision $ 4,411 $ 8,462 $ 7,565 $ 12,722
Effective income tax rate 16.60% 30.20% 14.00% 31.00%