Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Line Items]
Effective income tax rate from discontinued operations	(0.70%)	(10.00%)	30.70%
Tax benefit recognized from discontinued operations	$ 21,600	$ 8,600
Income tax benefits attributable to employee stock option transactions	4,200	1,200	$ 1,500
Net operating loss carryforwards	111,288	123,777
Deferred Tax Assets, Operating Loss Carryforwards	21,900
Valuation allowance, amount	100,205	109,240
Decrease in valuation allowance	(9,000)
Deferred tax liability	33,597	33,869
Unremitted Foreign Earnings	168,100	167,600
Approximate amount of deferred tax liability that would be recognized if foreign operations earnings are not indefinitely reinvested	191,200
Deferred income taxes	28,000
Unrecognized tax benefit	28,959	23,807	22,680	$ 13,990
Unrecognized tax benefits, interest and penalties recognized and reversal	5,100	(200)	$ 5,200
Liabilities for uncertain tax positions interests and penalties	16,100	$ 11,000
Federal State and Foreign [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	$ 289,000