CONSOLIDATED BALANCE SHEETS (USD $)
Mar. 31, 2015
Dec. 31, 2014
CURRENT ASSETS:    
Cash and cash equivalents $ 209,313,000 $ 224,064,000
Investments - short-term 538,151,000 407,102,000
Receivables, net 141,978,000 151,551,000
Inventory 49,139,000 51,357,000
Prepaid expenses and other current assets 50,768,000 29,289,000
Deferred tax assets-current 14,199,000 13,430,000
Total current assets (includes $23.1 million held for sale at March 31, 2015 1,003,548,000 876,793,000
Current assets held for sale 23,100,000  
PROPERTY, PLANT AND EQUIPMENT, NET 268,760,000 265,740,000
INTANGIBLE ASSETS - NET 464,192,000 479,412,000
GOODWILL 94,212,000 94,212,000
INVESTMENTS - LONG-TERM 58,249,000 170,480,000
OTHER ASSETS 35,813,000 34,635,000
TOTAL ASSETS (includes $105.2 million held for sale at March 31, 2015) 1,924,774,000 1,921,272,000
CURRENT LIABILITIES:    
Accounts payable and accrued expenses 105,181,000 121,258,000
Long-term debt-short-term 6,750,000 6,750,000
Deferred revenue-short-term 2,286,000 2,574,000
Total current liabilities (includes $3.1 million held for sale at March 31, 2015) 114,217,000 130,582,000
LONG-TERM DEBT 349,638,000 351,220,000
DEFERRED TAX LIABILITIES, NET-LONG-TERM 16,788,000 18,918,000
OTHER LONG-TERM LIABILITIES 12,135,000 11,914,000
DEFERRED REVENUE-LONG-TERM 11,577,000 11,801,000
Total liabilities (includes $6.6 million held for sale at March 31, 2015) 504,355,000 524,435,000
COMMITMENTS AND CONTINGENCIES (Note 16)      
SHAREHOLDERS' EQUITY:    
Preferred shares, par value, $0.01 per share; 50,000,000 shares authorized; zero issued and outstanding at March 31, 2015 and December 31, 2014, respectively      
Ordinary shares, par value, $0.01 per share; 450,000,000 shares authorized; 149,550,933 and 148,545,150 shares issued; 148,479,822 and 147,538,519 shares outstanding at March 31, 2015 and December 31, 2014, respectively 1,492,000 1,482,000
Treasury shares, at cost (1,071,111 and 1,006,631 shares at March 31, 2015 and December 31, 2014, respectively) (36,746,000) (32,052,000)
Additional paid-in capital 2,001,312,000 1,942,878,000
Accumulated other comprehensive loss (2,646,000) (3,136,000)
Accumulated deficit (542,993,000) (512,335,000)
Total shareholders' equity 1,420,419,000 1,396,837,000
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY $ 1,924,774,000 $ 1,921,272,000