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Components of Calculation of Earnings Per Share (Detail) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
 [1]
Sep. 30, 2015
 [1]
Jun. 30, 2015
 [1]
Mar. 31, 2015
 [1]
Dec. 31, 2014
 [2]
Sep. 30, 2014
 [2]
Jun. 30, 2014
 [2]
Mar. 31, 2014
 [2]
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Earnings Per Share [Abstract]                      
Net income $ 26,549 $ 70,316 $ 42,244 $ 33,304 $ 23,636 $ 83,276 $ 44,003 $ 31,476 $ 172,413 $ 182,391 $ 185,413
Weighted average number of shares used in:                      
Basic earnings per share                 61,021 63,426 64,254
Dilutive common stock equivalents:                      
Restricted stock units                 285 319 404
Diluted earnings per share                 61,306 63,745 64,658
[1] The first, second, third and fourth quarters of 2015 include rationalization charges of $0.7 million, $1.0 million, $9.1 million and $3.6 million, respectively.
[2] The first, second, third and fourth quarters of 2014 include rationalization charges of $1.6 million, $0.9 million, $2.5 million and $9.5 million, respectively, and (loss) income from operations in Venezuela of $(0.5) million, $(2.9) million, $0.8 million and $(0.5) million, respectively. The first quarter of 2014 includes a loss on early extinguishment of debt of $1.5 million.