v3.3.1.900
Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Current Assets:    
Cash $ 2,407 $ 6,270
Short-term investments 284,523 185,244
Accounts receivable - net    
Trade 138,309 178,833
Other 6,469 1,928
Inventories of spare parts - net 69,491 73,793
Prepaid expenses 8,951 9,314
Deferred income taxes 10,379 9,915
Income taxes receivable 761 1,227
Total current assets 521,290 466,524
Property and equipment - net 883,529 877,818
Restricted investments 15,336 15,485
Other 10,177 16,253
Total assets 1,430,332 1,376,080
Current Liabilities:    
Accounts payable 31,373 27,700
Accrued and other current liabilities 44,759 52,812
Total current liabilities 76,132 80,512
Long-term debt 557,500 543,000
Deferred income taxes 153,645 140,532
Other long-term liabilities $ 16,057 $ 14,968
Commitments and contingencies (Note 12)
Shareholders' Equity:    
Additional paid-in capital $ 304,884 $ 301,533
Accumulated other comprehensive loss (567) (211)
Retained earnings 321,121 294,197
Total shareholders' equity 626,998 597,068
Total liabilities and shareholders' equity 1,430,332 1,376,080
Voting Common Stock [Member]    
Shareholders' Equity:    
Common stock 291 291
Non-Voting Common Stock [Member]    
Shareholders' Equity:    
Common stock 1,269 1,258
Total shareholders' equity $ 1,269 $ 1,258