CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 147,069	$ 198,248
Receivables, net	617,499	588,718
Inventories, net	446,632	428,879
Assets held for sale	27,055	27,584
Other current assets	48,484	57,395
Total current assets	1,286,739	1,300,824
Property, plant, and equipment, net	369,970	378,200
Goodwill	1,465,224	1,455,137
Other intangible assets, net	583,195	609,630
Operating Lease, Right-of-Use Asset	143,969	150,898
Prepaid pension asset	99,087	92,531
Other assets	32,866	34,114
Total assets	3,981,050	4,021,334
Current liabilities:
Current portion of long-term debt and short-term debt	100,000	100,000
Accounts payable	160,765	201,237
Accrued expenses	108,486	140,200
Income taxes payable	18,399	6,633
Deferred revenue	238,742	253,411
Total liabilities held for sale, current	9,132	10,141
Other current liabilities	99,278	98,755
Total current liabilities	734,802	810,377
Long-term debt	957,907	958,292
Deferred tax liabilities, net	114,791	115,007
Accrued pension and other postretirement benefit costs	98,645	98,345
Long-term operating lease liability	126,454	133,069
Long-term portion of environmental reserves	15,305	15,422
Other liabilities	94,982	103,248
Total liabilities	2,142,886	2,233,760
Stockholders' Equity
Common stock, $1 par value,100,000,000 shares authorized as of March 31, 2021 and December 31, 2020; 49,187,378 shares issued as of March 31, 2021 and December 31, 2020; outstanding shares were 40,943,314 as of March 31, 2021 and 40,916,429 as of December 31, 2020	49,187	49,187
Additional paid in capital	119,172	122,535
Retained earnings	2,722,829	2,670,328
Accumulated other comprehensive loss	(309,216)	(310,856)
Common treasury stock, at cost (8,244,064 shares as of March 31, 2021 and 8,270,949 shares as of December 31, 2020)	(743,808)	(743,620)
Total stockholders' equity	1,838,164	1,787,574
Total liabilities and stockholders' equity	$ 3,981,050	$ 4,021,334