XML 95 R38.htm IDEA: XBRL DOCUMENT v2.4.1.9
Carrying Amounts of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Goodwill [Line Items]    
Beginning Balance $ 149,967us-gaap_Goodwill $ 146,444us-gaap_Goodwill
Goodwill acquired (500)us-gaap_GoodwillAcquiredDuringPeriod 1,784us-gaap_GoodwillAcquiredDuringPeriod
Goodwill, Purchase Accounting Adjustments   2,054us-gaap_GoodwillPurchaseAccountingAdjustments
Effects of foreign currency 136us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments (315)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments
Ending Balance $ 149,603us-gaap_Goodwill $ 149,967us-gaap_Goodwill