Components of Corporate Restructuring and Other Reorganization Activities from Recent Acquisitions (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 3,341
Restructuring charges (adjustments) incurred	2,602
Amounts paid during the period	(4,216)
Foreign currency translation	(1)
Ending balance	1,726
Severance
Restructuring Cost and Reserve [Line Items]
Beginning balance	1,470
Restructuring charges (adjustments) incurred	2,798
Amounts paid during the period	(3,270)
Foreign currency translation	(1)
Ending balance	997
Facility Closures
Restructuring Cost and Reserve [Line Items]
Beginning balance	1,871
Restructuring charges (adjustments) incurred	(196)
Amounts paid during the period	(946)
Ending balance	$ 729