Goodwill and Other Intangible Assets - Information about Expected Amortization of Definite-Lived Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Finite-Lived Intangible Assets [Line Items]  
2015 $ 21,350
2016 17,827
2017 17,155
2018 16,970
2019 16,838
Thereafter 10,600
Total 100,740
Services cost of revenues  
Finite-Lived Intangible Assets [Line Items]  
2015 5,588
2016 621
2017 0
2018 0
2019 0
Thereafter 0
Total 6,209
Amortization of intangible assets  
Finite-Lived Intangible Assets [Line Items]  
2015 15,762
2016 17,206
2017 17,155
2018 16,970
2019 16,838
Thereafter 10,600
Total $ 94,531