XML 79 R68.htm IDEA: XBRL DOCUMENT v3.8.0.1
SEGMENT INFORMATION (Capital expenditures, depreciation and amortization expense by segment) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Mar. 31, 2018
Apr. 01, 2017
Capital expenditures:        
Capital expenditures $ 6,153 $ 15,877 $ 12,410 $ 18,106
Depreciation and amortization expense:        
Depreciation expense 2,722 2,310 5,247 4,731
Amortization expense 2,022 1,521 3,965 3,044
Capital Equipment [Member]        
Capital expenditures:        
Capital expenditures 2,044 10,358 3,879 11,484
Depreciation and amortization expense:        
Depreciation expense 1,887 1,484 3,675 3,061
Amortization expense 1,092 593 2,135 1,187
Aftermarket Products and Services (APS) [Member]        
Capital expenditures:        
Capital expenditures 4,109 5,519 8,531 6,622
Depreciation and amortization expense:        
Depreciation expense 835 826 1,572 1,670
Amortization expense $ 930 $ 928 $ 1,830 $ 1,857