Stockholders' Equity - Changes in Accumulated Balances for Each Component of Other Comprehensive Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), net of tax, beginning balance	$ (848,899)	$ (622,089)	$ (443,676)
Other comprehensive income (loss) before reclassifications	(83,811)	(182,314)	(188,704)
Amounts reclassified from accumulated other comprehensive income (loss)	(10,319)	(44,496)	10,291
Other Comprehensive (Loss), Net of Tax	(94,130)	(226,810)	(178,413)
Accumulated other comprehensive income (loss), net of tax, ending balance	(943,029)	(848,899)	(622,089)
Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), net of tax, beginning balance	15,363	30,025	(10,789)
Other comprehensive income (loss) before reclassifications	18,733	37,926	39,931
Amounts reclassified from accumulated other comprehensive income (loss)	(16,627)	(52,588)	883
Other Comprehensive (Loss), Net of Tax	2,106	(14,662)	40,814
Accumulated other comprehensive income (loss), net of tax, ending balance	17,469	15,363	30,025
Accumulated Net Investment Gain (Loss) Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), net of tax, beginning balance	0	0	0
Other comprehensive income (loss) before reclassifications	3,149	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0
Other Comprehensive (Loss), Net of Tax	3,149	0	0
Accumulated other comprehensive income (loss), net of tax, ending balance	3,149	0	0
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), net of tax, beginning balance	(159,858)	(161,507)	(131,946)
Other comprehensive income (loss) before reclassifications	(4,154)	(6,443)	(38,969)
Amounts reclassified from accumulated other comprehensive income (loss)	6,308	8,092	9,408
Other Comprehensive (Loss), Net of Tax	2,154	1,649	(29,561)
Accumulated other comprehensive income (loss), net of tax, ending balance	(157,704)	(159,858)	(161,507)
Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), net of tax, beginning balance	(704,404)	(490,607)	(300,941)
Other comprehensive income (loss) before reclassifications	(101,539)	(213,797)	(189,666)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0
Other Comprehensive (Loss), Net of Tax	(101,539)	(213,797)	(189,666)
Accumulated other comprehensive income (loss), net of tax, ending balance	$ (805,943)	$ (704,404)	$ (490,607)