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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Cash flows from operating activities:    
Net income including noncontrolling interests $ 32,583 $ 79,507
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, impairment charges and amortization 14,193 12,480
Income from equity method investments (7,857) (24,322)
Gain on sale of investment (10,385)  
Gain on disposal of real estate and property and equipment, net (496) (209)
Dividends received from equity method investees 7,643 19,881
Derivative financial instruments   (1,141)
Deferred income tax (8,078) 5,323
Stock based compensation expense 23  
Excess tax benefit from stock option exercises   (441)
Changes in assets and liabilities:    
Accounts receivable (2,307) 5,900
Inventories (5,494) 7,874
Other assets (51) 728
Accounts payable, trade 4,913 2,075
Other liabilities (2,849) 7,406
Net cash provided by operating activities 21,838 115,061
Cash flows from investing activities:    
Capital expenditures (9,852) (8,107)
Restricted cash (20) 500
Restricted investments and deposits 250 273
Proceeds from sale of investment 45,476  
Proceeds from sale of real estate and property and equipment, net 1,936 596
Other 17  
Net cash provided by (used in) investing activities 37,807 (6,738)
Cash flows from financing activities:    
Payments of long-term debt   (42,226)
Stock options exercised   931
Purchase of stock from noncontrolling interests holders (605) (39)
Excess tax benefit from stock option exercises   441
Treasury stock acquired (60,111) (8,312)
Net cash used in financing activities (60,716) (49,205)
Net (decrease) increase in cash and cash equivalents (1,071) 59,118
Cash and cash equivalents, beginning of period 137,697 105,149
Cash and cash equivalents, end of period 136,626 164,267
Non cash investing activities – Accrued capital expenditures $ 1,216 615
Non cash investing activities – Loan receivable granted in connection with sale of real estate   $ 475