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SUMMARY OF QUARTERLY DATA (UNAUDITED) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 30, 2017
Jul. 01, 2017
Apr. 01, 2017
Dec. 31, 2016
Oct. 01, 2016
Jul. 02, 2016
Sep. 30, 2017
Mar. 31, 2018
Apr. 01, 2017
Apr. 02, 2016
Quarterly Financial Data [Abstract]                      
Net revenues $ 233,552 $ 234,043 $ 210,951 $ 228,066 $ 227,841 $ 220,253 $ 209,956 $ 225,377 $ 903,923 $ 886,116 $ 908,832
Gross profit 104,386 111,295 91,665 82,111 101,079 104,248 91,056 104,562 411,908 378,494 405,914
Operating income 14,275 1,013 16,611 (57,506) 21,212 24,794 (7,881) 24,258 56,157 (19,381) (43,942)
Net (loss) income $ 11,880 $ (6,547) $ 20,137 $ (51,140) $ 15,393 $ 19,825 $ (10,346) $ 20,102 $ 45,572 $ (26,268) $ (55,579)
Per share data:                      
Basic income (loss) per share (in dollars per share) $ 0.22 $ (0.12) $ 0.38 $ (0.98) $ 0.30 $ 0.39 $ (0.20) $ 0.38 $ 0.86 $ (0.51) $ (1.09)
Diluted income (loss) per share (in dollars per share) $ 0.22 $ (0.12) $ 0.38 $ (0.98) $ 0.30 $ 0.38 $ (0.20) $ 0.38 $ 0.85 $ (0.51) $ (1.09)
Understatement of Operating Loss $ (2,014)     $ (3,720)              
Overstatement of Operating Income   $ 1,589                  
Understatement of Net Loss $ (1,786)     $ (4,032)              
Overstatement of Net Income   $ 1,239