Annual report pursuant to Section 13 and 15(d)

Income Taxes - Deferred Income Taxes (Details)

v3.8.0.1
Income Taxes - Deferred Income Taxes (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Deferred income tax assets:    
Federal net operating loss $ 79,356 $ 76,792
State net operating loss 46,571 36,285
Foreign net operating loss 35,710 32,895
Research and development expense 4,038 3,246
Tax credits 20,040 20,894
Stock options 28,830 36,485
Accruals 5,719 8,306
Equity investments 8,454 7,011
Bad debts 20,302 14,283
Lease liability 2,205 3,233
Foreign credits 11,113 10,253
Available for sale securities 2,406 4,792
Other 17,448 7,795
Deferred income tax assets 282,192 262,270
Deferred income tax liabilities:    
Intangible assets (280,962) (354,043)
Fixed assets (5,572) (13,710)
Other (2,325) (2,121)
Deferred income tax liabilities (288,859) (369,874)
Net deferred income tax liabilities (6,667) (107,604)
Valuation allowance (142,062) (55,415)
Net deferred income tax liabilities 148,729 163,019
Deferred tax liabilities, net $ (148,729) $ (165,331)