Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Changes in Accumulated Other Comprehensive Loss

The following table presents the amounts that comprise accumulated other comprehensive loss ("AOCL") as well as the changes in those amounts by component for the years ended on December 31, 2019 and 2018:

	Changes in Accumulated Other Comprehensive Loss by Component
	Pension Benefits		Other Post-Retirement Benefits		Cash Flow and Net Investment Hedges		Foreign Currency Translation		Total
Beginning balance, January 1, 2018	$	(567,443)	$	(1,514)	$	(17,388)	$	(266,247)	$	(852,592)
Other comprehensive (loss) income before reclassifications, net of tax	(85,677)		20		26,563		(233,235)		(292,329)
Amounts reclassified from accumulated other comprehensive loss, net of tax	28,581		(289)		1,551		—		29,843
Net current period other comprehensive (loss) income	(57,096)		(269)		28,114		(233,235)		(262,486)
Ending balance, December 31, 2018	(624,539)		(1,783)		10,726		(499,482)		(1,115,078)
Other comprehensive income (loss) before reclassifications, net of tax	22,119		1		11,237		3,545		36,902
Amounts reclassified from accumulated other comprehensive loss, net of tax	22,646		(333)		2,380		34,701		59,394
Net current period other comprehensive income (loss)	44,765		(332)		13,617		38,246		96,296
Cumulative effect from adoption of ASU 2018-02	(122,526)		—		—		—		(122,526)
Ending balance, December 31, 2019	$	(702,300)	$	(2,115)	$	24,343	$	(461,236)	$	(1,141,308)