Stockholders' Equity and Earnings Per Share - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended															12 Months Ended						12 Months Ended
	Dec. 31, 2012		Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012		Dec. 31, 2011		Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 2012 Stock Repurchase Program	May 31, 2012 2012 Stock Repurchase Program	Nov. 30, 2008 2008 Stock Repurchase Program	Dec. 31, 2012 2011 Stock Repurchase Program	Nov. 30, 2011 2011 Stock Repurchase Program
Stockholders' Equity And Earnings Per Share [Line Items]
Share repurchase, authorized																				1,600,000	3,000,000		1,300,000
Stock repurchased during period, shares																						1,800,000
Stock repurchased during period, value																						$ 114,000
Remaining shares available for purchase																			1,600,000
Common stock, shares authorized	100,000,000						100,000,000									100,000,000	100,000,000
Common stock, par value	$ 0.01						$ 0.01									$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000						10,000,000									10,000,000	10,000,000
Preferred stock, par value	$ 0.01						$ 0.01									$ 0.01	$ 0.01
Common Stock, Shares, Outstanding	49,144,212						50,650,971									49,144,212	50,650,971
Percentage of fair value of stock																50.00%
Cash dividends declared per common share (in dollars per share)	$ 0.05	[1]	$ 0.05	$ 0.05	$ 0.05	[2]	$ 0.05	[3]	$ 0.05	$ 0.05	$ 0.05	$ 0.05	$ 0.05	$ 0.05	$ 0.05	$ 0.20	$ 0.20	$ 0.20

[1] Results for the quarter ended December 31, 2012 reflect restructuring charges of $2.9 million ($2.1 million after income taxes) and due diligence and other costs incurred in connection with exploring strategic alternatives to enhance shareholder value totaling $2.6 million ($1.9 million after income taxes).

[2] Results for the quarter ended March 31, 2012 reflect restructuring charges of $14.4 million ($10.3 million after income taxes).

[3] Results for the quarter ended December 31, 2011 reflect corporate relocation and acquisition due diligence costs totaling $0.6 million ($0.4 million after income taxes) and a net foreign currency gain of $3.4 million related to the financing of the Robuschi acquisition.