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CONSOLIDATED STATEMENTS OF CASH FLOWS
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 31, 2019
USD ($)
Jul. 31, 2019
USD ($)
Jul. 31, 2018
USD ($)
Net income including noncontrolling interests $ 3,353 $ 7,068 $ 20,842
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation   12,425 12,033
Amortization of operating lease right-of-use assets   2,992  
Income from equity method investments (239) (365) (1,571)
Dividends received from equity method investee   0 1,003
Interest income from investments   (25) (815)
Deferred income tax   (6,294) (7,938)
Stock based compensation expense   248 443
Loss on disposal of property and equipment     104
Changes in assets and liabilities:      
Accounts receivable   3,696 (1,735)
Inventories   (3,594) (4,416)
Other assets   (141) (2,443)
Accounts payable, trade   1,409 4,002
Other liabilities   (4,927) (1,262)
Net cash provided by operating activities   12,492 18,247
Cash flows from investing activities:      
Capital expenditures   (1,449) (5,813)
Purchase of short-term investments     (111,154)
Sale of short-term investments   15,000  
Other   12 18
Net cash provided by (used in) investing activities   13,563 (116,949)
Cash flows from financing activities:      
Treasury stock acquired     (16,648)
Payments to noncontrolling interests holders   (2,598) (1,699)
Capital contributions from minority investor 39 185 246
Net cash used in financing activities   (2,413) (18,101)
Net increase (decrease) in cash, cash equivalents and restricted cash   23,642 (116,803)
Cash, cash equivalents and restricted cash, beginning of period   188,812 191,342
Cash, cash equivalents and restricted cash, end of period 212,454 212,454 74,539
Non cash investing activities – Accrued capital expenditures   5 469
Non cash financing activities – Stock awards accrued   171 335
Non cash financing activities – Stock awards issued   487 1,473
Initial right-of-use assets and liabilities recorded upon adoption of ASC 842 20,918 20,918  
Right-of-use assets acquired and liabilities incurred upon lease execution   432  
Cash and cash equivalents 212,232 212,232 73,761
Restricted cash $ 222 $ 222 $ 778