Income Taxes Deferred Income Tax Assets and Liabilities Recorded on Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Accrued employee benefits	$ 18,374	$ 21,878
Operating loss carryovers	1,295,925	1,321,942
Pensions	48,720	78,683
Tax credit carryovers	2,448	1,582
Other	212,882	57,370
Gross deferred tax assets	1,578,349	1,481,455
Valuation allowance	(1,276,305)	(1,326,204)	$ (1,148,268)	$ (1,213,750)
Deferred tax assets	302,044	155,251
Deferred tax liabilities:
Depreciation	(411,336)	(348,700)
Intangibles	(83,182)	(91,645)
Hedge of net investment of foreign subsidiary	0	(13,514)
Other	(142,008)	(75,927)
Deferred tax liabilities	(636,526)	(529,786)
Deferred Tax Liabilities, Net	(334,482)	(374,535)
Noncurrent deferred tax assets	18,797	20,317
Noncurrent deferred tax liabilities	(353,279)	(394,852)
Deferred Tax Liabilities, Net	$ 334,482	$ 374,535