v2.4.0.8
Schedule II - Valuation and Qualifying Accounts (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Allowance for Doubtful Accounts [Member]
      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of year $ 7,726 $ 5,891 $ 5,683
Charged to operations 1,351 3,673 1,819
Credited to operations 0 0 0
Written off (1,401) (1,838) (1,611)
Effect of exchange rate changes or Other adjustments 0 0 0
Balance at end of year 7,676 7,726 5,891
Deferred Tax Valuation Allowance [Member]
      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of year 70,940 228,417 318,055
Charged to operations 717 0 0
Credited to operations 0 0 0
Written off (2,174) (166,911) (83,115)
Effect of exchange rate changes or Other adjustments 0 (5,718) (22,119)
Balance at end of year 27,264 70,940 228,417
Valuation allowance and reserves, other adjustments $ (42,219) [1] $ 15,152 [1] $ 15,596 [1]
[1] Inclusive of the effects of exchange rate changes, acquisitions, and the impact of the REIT conversion.