Exit and Realignment Costs - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Restructuring Cost and Reserve [Line Items]
Business Exit Costs	$ 4,799	$ 9,392	$ 16,231	$ 16,119
Domestic Segment
Restructuring Cost and Reserve [Line Items]
Business Exit Costs	1,582	4,654	4,096	8,250
International Segment
Restructuring Cost and Reserve [Line Items]
Business Exit Costs	$ 3,217	$ 4,738	$ 12,135	$ 7,869