Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Changes in Accumulated Other Comprehensive Income (Loss)

The following tables present the changes in accumulated other comprehensive loss by component for the three months ended March 31:

	2018
	Changes in Accumulated Other Comprehensive Loss by Component
	Pension and Other Post- Retirement Benefits			Net Investment Hedge			Foreign Currency Translation			Total
Beginning balance, January 1	$	(568,957	)	$	(17,388	)	$	(266,247	)	$	(852,592	)
Other comprehensive (loss) income before reclassifications, net of tax	—			(16,710		)	42,880			26,170
Amounts reclassified from accumulated other comprehensive loss, net of tax	7,164			—			—			7,164
Net current period other comprehensive income (loss)	7,164			(16,710		)	42,880			33,334
Ending balance, March 31	$	(561,793	)	$	(34,098	)	$	(223,367	)	$	(819,258	)

	2017
	Changes in Accumulated Other Comprehensive Loss by Component
	Pension and Other Post- Retirement Benefits			Net Investment Hedge		Foreign Currency Translation			Total
Beginning balance, January 1	$	(609,080	)	$	—	$	(403,941	)	$	(1,013,021	)
Other comprehensive income before reclassifications, net of tax	—			—		57,020			57,020
Amounts reclassified from accumulated other comprehensive loss, net of tax	5,732			—		—			5,732
Net current period other comprehensive income	5,732			—		57,020			62,752
Ending balance, March 31	$	(603,348	)	$	—	$	(346,921	)	$	(950,269	)