• Filing Date: 2014-03-12
  • Form Type: 10-K
  • Description: Annual report
v2.4.0.8
Long-Term Debt - Additional Information (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Jan. 25, 2013
Jan. 17, 2013
Dec. 31, 2013
Convertible Debt Instrument Conversion Period One [Member]
D
Dec. 31, 2013
Convertible Debt Instrument Conversion Period Two [Member]
D
Dec. 31, 2013
Maximum [Member]
Dec. 31, 2013
Minimum [Member]
Jan. 10, 2013
Unsecured Senior Note [Member]
Dec. 31, 2013
Unsecured Senior Note [Member]
Dec. 31, 2013
Convertible Debt [Member]
Dec. 30, 2013
Convertible Debt [Member]
Dec. 11, 2013
Convertible Debt [Member]
Dec. 31, 2012
Convertible Debt [Member]
Dec. 31, 2013
Convertible Debt [Member]
Convertible Notes Payable [Member]
Dec. 31, 2013
Convertible Debt [Member]
Repurchase Of Common Stock Under Prepaid Forward Contract[Member]
Debt Instrument [Line Items]                                          
Debt instrument, face amount               $ 5,250 $ 35,000             $ 103,000 $ 3,000 $ 100,000       
Debt issuance costs                           1,560   557       3,486  
Debt issuance costs, paid         4,770 35                 1,525 3,245          
Net proceeds after underwriting and issuance costs                           38,690   99,514          
Debt instrument, maturity date                             Jan. 30, 2020 Mar. 15, 2019          
Prospectus supplement date         Jan. 10, 2013                                
Quarterly payments dates, one         January 30                                
Quarterly payments dates, two         April 30                                
Quarterly payments dates, three         July 30                                
Quarterly payments dates, four         October 30                                
Quarterly payment start date         Apr. 30, 2013                                
Notes redemption date         Jan. 30, 2016                                
Redemption price as percentage of principal amount redeemed         100.00%                                
Notice period for redemption of Notes                       60 days 30 days                
Fixed annual rate of interest                             8.00%            
Interest expense on debt 1,228 847 846 686 3,607                   3,228 379          
Amortization of debt issuance costs         159                     164          
Debt instrument, effective interest rate                             8.70% 8.30%          
Debt instrument, stated interest rate 3.875%       3.875%                     3.875%   3.875%      
Repurchase of common stock under prepaid forward contract         30,886   1,887                           29,923
Debt discount, remaining amortization period                               5 years 2 months 12 days          
Convertible debt, conversion price $ 62.47       $ 62.47                                
Convertible debt, conversion ratio         16.0090                                
Convertible debt, conversion debt description         The note holders may convert all or a portion of their Convertible Notes during specified periods as follows: (1) during any calendar quarter commencing after the calendar quarter ending on March 31, 2014, if the last reported sale price of the Company’s common stock for at least 20 trading days during the period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter is greater than 130% of the conversion price on each applicable trading day; (2) during the five business-day period after any ten consecutive trading-day period in which the trading price per $1 principal amount of the Convertible Notes is less than 98% of the product of the last reported sale price and the conversion rate on each such trading day; (3) if specified corporate events, including a change in control, occur; or (4) at any time on or after January 1, 2019                                
Convertible debt, threshold trading days                   20 5                    
Convertible debt, threshold consecutive trading days                   30 days 10 days                    
Convertible debt, threshold percentage of stock trigger price                   130.00% 98.00%                    
Equity component on convertible senior notes         $ 16,457