Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Goodwill and Other Intangible Assets (Schedule of Changes in the Carrying Amount of Goodwill) (Details)

v3.2.0.727
Goodwill and Other Intangible Assets (Schedule of Changes in the Carrying Amount of Goodwill) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Goodwill and Other Intangible Assets [Abstract]        
Goodwill as of December 31, 2014     $ 1,323,502  
Goodwill impairment charges     (150,400)  
Goodwill acquired     1,000  
Translation differences     (1,900)  
Goodwill as of March 31, 2015 $ 1,172,125   $ 1,172,125