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Goodwill and Intangible Assets
6 Months Ended
Mar. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
Goodwill and Intangible Assets
The changes in the carrying amount of goodwill and intangible assets for the six months ended March 31, 2014, are as follows (dollars in thousands): 
 
Goodwill
 
Intangible
Assets
Balance at September 30, 2013
$
3,293,198

 
$
953,278

Acquisitions
82,818

 
53,173

Purchase accounting adjustments
(677
)
 
(59
)
Amortization

 
(84,579
)
Effect of foreign currency translation
2,855

 
(160
)
Balance at March 31, 2014
$
3,378,194

 
$
921,653