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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jul. 31, 2014
Jul. 31, 2013
Net income including noncontrolling interests $ 50,918 $ 10,818
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, impairment charges and amortization 8,350 8,811
Income from equity method investments (15,542) (6,227)
Gain on disposal of real estate and property and equipment (3) (6)
Dividends received from equity method investees 8,592 200
Deferred income   (484)
Derivative financial instruments (770) (856)
Deferred income tax 5,323 5,410
Excess tax benefit from stock option exercises (441)  
Changes in assets and liabilities:    
Accounts receivable 2,494 (5,842)
Inventories 2,083 (4,453)
Other assets 463 164
Accounts payable, trade (198) 1,310
Other liabilities 353 (363)
Net cash provided by operating activities 61,622 8,482
Cash flows from investing activities:    
Capital expenditures (3,402) (252)
Restricted cash 500 (500)
Restricted investments and deposits 273 180
Proceeds from sale of real estate and property and equipment 487 463
Net cash used in investing activities (2,142) (109)
Cash flows from financing activities:    
Payments of long-term debt (13,726) (8,629)
Stock options exercised 931 794
Payments to noncontrolling interests holders (39)  
Excess tax benefit from stock option exercises 441  
Treasury stock acquired   (856)
Net cash used in financing activities (12,393) (8,691)
Net increase (decrease) in cash and cash equivalents 47,087 (318)
Cash and cash equivalents, beginning of period 105,149 69,073
Cash and cash equivalents, end of period 152,236 68,755
Non cash investing activities – Accrued capital expenditures $ 239