CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current Assets:
Cash and cash equivalents	$ 154,428	$ 276,066
Receivables, net	591,562	593,755
Inventory, Net	447,022	423,426
Other current assets	45,727	50,719
Total current assets	1,238,739	1,343,966
Property, plant, and equipment, net	375,296	374,660
Goodwill	1,111,342	1,088,032
Other intangible assets, net	444,741	429,567
Operating lease right-of-use assets	138,525	0
Other assets	20,159	19,160
Total assets	3,328,802	3,255,385
Current liabilities:
Current portion of long-term debt and short-term debt	161	243
Accounts payable	176,439	232,983
Accrued expenses	114,062	166,954
Income taxes payable	13,708	5,811
Deferred revenue	225,925	236,508
Other current liabilities	72,973	44,829
Total current liabilities	603,268	687,328
Long-term debt	761,894	762,313
Deferred tax liabilities, net	49,305	47,121
Accrued pension and other postretirement benefit costs	99,389	101,227
Long-term operating lease liability	124,014	0
Long-term portion of environmental reserves	15,847	15,777
Other liabilities	89,505	110,838
Total liabilities	1,743,222	1,724,604
Stockholders' Equity
Common stock, $1 par value,100,000,000 shares authorized as of March 31, 2019 and December 31, 2018; 49,187,378 shares issued as of March 31, 2019 and December 31, 2018; outstanding shares were 42,801,008 as of March 31, 2019 and 42,772,417 as of December 31, 2018	49,187	49,187
Additional paid in capital	114,696	118,234
Retained earnings	2,266,902	2,191,471
Accumulated other comprehensive loss	(304,779)	(288,447)
Common treasury stock, at cost (6,386,370 shares as of March 31, 2019 and 6,414,961 shares as of December 31, 2018)	(540,426)	(539,664)
Total stockholders' equity	1,585,580	1,530,781
Total liabilities and stockholders' equity	$ 3,328,802	$ 3,255,385