v3.7.0.1
INCOME TAXES - Deferred taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2016
Dec. 31, 2015
Assets            
Accrued liabilities         $ 27,839 $ 28,390
Capital loss carryforwards         4,008  
Pension postretirement and deferred compensation         38,218 38,183
Corporate borrowings         159  
Deferred revenue         175,886 179,133
Lease liabilities         168,091 135,215
Capital and financing lease obligations         191,110 33,130
Alternative minimum tax and other credit carryovers         27,950 17,520
Net operating loss carryforward         343,416 184,256
Total         976,677 615,827
Less: Valuation allowance $ (509) $ (790) $ (790) $ (248,420) (112,165) (509)
Net deferred income taxes         864,512 615,318
Liabilities            
Tangible assets         (374,171) (131,793)
Intangible assets         (159,578) (121,495)
Receivables         (4,879) (5,264)
Investments         (256,401) (230,568)
Total deferred income taxes         $ (795,029) $ (489,120)
Rollforward of the Company's valuation allowance for deferred tax assets            
Balance at Beginning of Period 509 790   248,420    
Additions Charged (Credited) to Expenses 2,760 (281) 790 (265,600)    
Charged (Credited) to Goodwill 108,896     11,088    
Charged (Credited) to Other Accounts       $ 6,092    
Balance at End of Period $ 112,165 $ 509 $ 790