Restructuring - Additional Information (Detail) - 2014 Restructuring Plan	4 Months Ended
	Dec. 31, 2014 Employee
Restructuring Cost and Reserve [Line Items]
Number of workforce expected to be reduced	777
Domestic
Restructuring Cost and Reserve [Line Items]
Number of workforce expected to be reduced	217
Asia Pacific
Restructuring Cost and Reserve [Line Items]
Number of workforce expected to be reduced	400
EMEA
Restructuring Cost and Reserve [Line Items]
Number of workforce expected to be reduced	141
Latin America
Restructuring Cost and Reserve [Line Items]
Number of workforce expected to be reduced	19