CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 234,416	$ 198,248
Receivables, net	670,867	588,718
Inventories, net	433,140	428,879
Assets held for sale	20,215	27,584
Other current assets	65,171	57,395
Total current assets	1,423,809	1,300,824
Property, plant, and equipment, net	360,314	378,200
Goodwill	1,461,313	1,455,137
Other intangible assets, net	552,514	609,630
Operating lease right-of-use assets, net	140,524	150,898
Prepaid pension asset	111,906	92,531
Other assets	32,921	34,114
Total assets	4,083,301	4,021,334
Current liabilities:
Current portion of long-term debt	100,000	100,000
Accounts payable	158,196	201,237
Accrued expenses	142,169	146,833
Deferred revenue	249,671	253,411
Liabilities held for sale	13,215	10,141
Other current liabilities	101,892	98,755
Total current liabilities	765,143	810,377
Long-term debt	957,101	958,292
Deferred tax liabilities, net	121,491	115,007
Accrued pension and other postretirement benefit costs	98,122	98,345
Long-term operating lease liability	124,362	133,069
Long-term portion of environmental reserves	15,096	15,422
Other liabilities	101,926	103,248
Total liabilities	2,183,241	2,233,760
Stockholders' Equity
Common stock, $1 par value, 100,000,000 shares authorized as of September 30, 2021 and December 31, 2020; 49,187,378 shares issued as of September 30, 2021 and December 31, 2020; outstanding shares were 40,473,516 as of September 30, 2021 and 40,916,429 as of December 31, 2020	49,187	49,187
Additional paid in capital	124,532	122,535
Retained earnings	2,839,294	2,670,328
Accumulated other comprehensive loss	(308,810)	(310,856)
Common treasury stock, at cost (8,713,862 shares as of September 30, 2021 and 8,270,949 shares as of December 31, 2020)	(804,143)	(743,620)
Total stockholders’ equity	1,900,060	1,787,574
Total liabilities and stockholders’ equity	$ 4,083,301	$ 4,021,334