Components of Corporate Restructuring and Other Reorganization Activities from Recent Acquisitions (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 1,914
Restructuring charges incurred	1,605
Amounts paid during the period	(604)
Foreign currency translation	(50)
Ending balance	2,865
Severance
Restructuring Cost and Reserve [Line Items]
Beginning balance	618
Restructuring charges incurred	1,605
Amounts paid during the period	(382)
Foreign currency translation	2
Ending balance	1,843
Facility Closures
Restructuring Cost and Reserve [Line Items]
Beginning balance	1,296
Restructuring charges incurred
Amounts paid during the period	(222)
Foreign currency translation	(52)
Ending balance	$ 1,022