Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References+ Details

Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

+ References+ Details

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References+ Details

Restructuring and Other Items - Additional Information (Detail)	3 Months Ended		6 Months Ended			12 Months Ended			3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2013 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2012 EUR (€)	Dec. 31, 2012 USD ($)	Dec. 31, 2012 1st Quarter 2011 Restructuring Plan USD ($)	Dec. 31, 2012 2012 Restructuring Plan USD ($)	Mar. 31, 2013 1st Quarter 2013 Restructuring Plan USD ($)	Jun. 30, 2013 1st Quarter 2013 Restructuring Plan USD ($)	Jun. 30, 2013 2nd Quarter 2013 Restructuring Plan USD ($)	Jun. 30, 2013 2nd Quarter 2013 Restructuring Plan USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 4,621,000	$ 4,525,000	$ 9,033,000	$ 4,525,000		$ 4,500,000	$ 100,000		$ 4,400,000	$ 4,412,000	$ 4,600,000	$ 4,621,000
Lease termination and exit costs								1,200,000	500,000
Resource rationalizations		1,111,000		1,111,000				3,400,000	3,900,000		4,200,000
Lease termination and asset write down costs											400,000
Agreement settlement charges				200,000	160,000
Discretionary bonus		243,000		243,000	194,000
Share-based compensation		$ 620,000