Restructuring - Summary of Restructuring Expense (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 18,840	$ 3,089
Europe Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	18,374	2,431
Europe Facilities [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	14,004	0
Europe Facilities [Member] | Other Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	4,370	2,431
Europe Facilities [Member] | Asset Impairments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 0