Corporate Restructuring and Other Organizational Changes - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Employee termination costs paid during the period	$ 400
Restructuring charges incurred	2,216
Employee termination costs		$ 1,300
Restructuring costs	510
Restructuring charges	2,752		$ 1,045
Severance [Member]
Restructuring Cost and Reserve [Line Items]
Severance liability to be paid over the next 12 months	400
Restructuring costs	417	$ 2,200
Restructuring charges	361		777
Facility Closures [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	2,216
Restructuring costs	93
Restructuring charges	2,391		$ 268
Facility Closures [Member] | Other Current Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring charges	600
Facility Closures [Member] | Other Noncurrent Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1,800