Restructuring and Other - Restructuring and Other Reserve Activities (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Restructuring and Related Activities [Abstract]
Reserve balance at January 1,	$ 2,102	$ 873
Restructuring	1,554	3,794
Other	991	1,868
Non-cash restructuring and other costs		(27)
Cash payments	(2,699)	(4,029)
Reserve balance at September 30,	$ 1,948	$ 2,479