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INCOME TAXES INCOME TAXES - Components of Income Before Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 30, 2018
Sep. 30, 2018
Jul. 01, 2018
Apr. 01, 2018
Dec. 31, 2017
Oct. 01, 2017
Jul. 02, 2017
Apr. 02, 2017
Dec. 30, 2018
Dec. 31, 2017
Jan. 01, 2017
Income Tax Disclosure [Abstract]                      
U.S.                 $ 73,051 $ 69,119 $ (8,221)
International                 2,612 8,431 (12,119)
Income (loss) before tax expense (benefit) $ 17,726 $ 28,010 $ 20,308 $ 9,619 $ 23,612 $ 29,059 $ 18,394 $ 6,485 $ 75,663 $ 77,550 $ (20,340)