Annual report pursuant to Section 13 and 15(d)

Segment Information - Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Detail)

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Segment Information - Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Detail) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total Net Sales $ 1,098.4 $ 1,102.9 $ 1,162.3 $ 1,105.4 $ 1,133.6 $ 1,256.2 $ 1,306.2 $ 1,262.6 $ 4,469.0 $ 4,958.6 $ 4,825.3
United States [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total Net Sales                 860.0 905.1 886.9
Mexico [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total Net Sales                 479.9 567.9 562.4
South Korea [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total Net Sales                 266.9 416.0 433.7
China [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total Net Sales                 846.2 664.3 471.6
Others [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total Net Sales                 $ 2,016.0 $ 2,405.3 $ 2,470.7