Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Additional Information (Detail)

v2.4.0.8
Segment Information - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Country
Dec. 31, 2012
Segment Reporting Information [Line Items]    
Number of countries in which the Company sells products 88  
Total assets $ 2,109,208 $ 1,724,143
Primary Reporting Segment [Member]
   
Segment Reporting Information [Line Items]    
Total assets 1,979,500 1,607,200
China [Member]
   
Segment Reporting Information [Line Items]    
Total assets $ 129,700 $ 116,900