Restructuring - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 18,670,000	[1]	$ 8,584,000	[1]	$ 2,196,000	[1]
Twenty Eleven Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,100,000		8,600,000
Twenty Twelve Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	17,500,000
Global head count reduction	7.00%
Expected restructuring charges	6,900,000
Twenty Twelve Restructuring Plan | Facility Closing
Restructuring Cost and Reserve [Line Items]
Number of production facilities closed	3
Twenty Twelve Restructuring Plan | Facility Closing | UNITED STATES
Restructuring Cost and Reserve [Line Items]
Number of production facilities closed	2
Twenty Twelve Restructuring Plan | Facility Closing | SWEDEN
Restructuring Cost and Reserve [Line Items]
Number of production facilities closed	1
Twenty Twelve Restructuring Plan | Severance and other employment related benefit costs | Minimum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	60,000,000
Twenty Twelve Restructuring Plan | Severance and other employment related benefit costs | Maximum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	65,000,000
Twenty Twelve Restructuring Plan | Other costs | Minimum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	15,000,000
Twenty Twelve Restructuring Plan | Other costs | Maximum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	20,000,000
Twenty Twelve Restructuring Plan | Non-cash charges, primarily related to fixed assets | Minimum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	10,000,000
Twenty Twelve Restructuring Plan | Non-cash charges, primarily related to fixed assets | Maximum
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	$ 15,000,000

[1] See Note 4 "Restructuring."