Exit and Realignment Costs - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restructuring Cost and Reserve [Line Items]
Exit and realignment charges	$ 9,392	$ 2,091	$ 16,119	$ 3,847
Domestic Segment
Restructuring Cost and Reserve [Line Items]
Exit and realignment charges	4,654	1,856	8,250	3,162
International Segment
Restructuring Cost and Reserve [Line Items]
Exit and realignment charges	$ 4,738	$ 235	$ 7,869	$ 685