XML 17 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
Distribution of Depreciation and Amortization by Geographical Area (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Segment Reporting Disclosure [Line Items]    
Depreciation and amortization $ 11,456 $ 10,802
Ireland
   
Segment Reporting Disclosure [Line Items]    
Depreciation and amortization 4,989 4,495
Rest Of Europe
   
Segment Reporting Disclosure [Line Items]    
Depreciation and amortization 1,734 1,980
U.S.
   
Segment Reporting Disclosure [Line Items]    
Depreciation and amortization 3,718 3,402
Rest of World
   
Segment Reporting Disclosure [Line Items]    
Depreciation and amortization $ 1,015 $ 925