Components of Corporate Restructuring and Other Reorganization Activities from Recent Acquisitions (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	$ 14,053
Unfavorable lease liability	518
Amounts paid during the period	(12,523)
Foreign currency translation adjustments	(134)
Ending balance	1,914
Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	9,203
Amounts paid during the period	(8,425)
Foreign currency translation adjustments	(160)
Ending balance	618
Facility Closures
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	4,850
Unfavorable lease liability	518
Amounts paid during the period	(4,098)
Foreign currency translation adjustments	26
Ending balance	$ 1,296