Stockholders' Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 1,258,905	$ 1,293,813	$ 1,367,306
Other comprehensive loss before reclassifications	(52,036)	73,754	(82,393)
Adjustments for items reclassified to earnings, net of tax	10,735	7,951	2,526
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(41,301)	81,705	(79,867)
Balance	970,093	1,258,905	1,293,813
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(83,535)	(155,204)	(97,284)
Other comprehensive loss before reclassifications	(46,602)	71,669	(57,920)
Adjustments for items reclassified to earnings, net of tax		0
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(46,602)	71,669	(57,920)
Balance	(130,137)	(83,535)	(155,204)
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(148,984)	(159,020)	(137,073)
Other comprehensive loss before reclassifications	(5,434)	2,085	(24,473)
Adjustments for items reclassified to earnings, net of tax	10,735	7,951	2,526
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	5,301	10,036	(21,947)
Balance	(143,683)	(148,984)	(159,020)
AOCI Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(1)	(2)	(1)
Other comprehensive loss before reclassifications	(1)	1	(1)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(1)	1	(1)
Balance	(2)	(1)	(2)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(232,518)	(314,222)	(234,356)
Other comprehensive loss before reclassifications	(52,035)	73,753	(82,392)
Adjustments for items reclassified to earnings, net of tax	10,735	7,951	2,526
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(41,300)	81,704	(79,866)
Balance	(273,818)	(232,518)	(314,222)
AOCI Including Portion Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(232,519)	(314,224)	(234,357)
Balance	$ (273,820)	$ (232,519)	$ (314,224)