Condensed Consolidated Statements Of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues:
Total revenues	$ 294,671	$ 265,677	$ 567,121	$ 506,109
Cost of revenues:
Total cost of revenues	162,337	165,857	323,207	322,877
Gross profit	132,334	99,820	243,914	183,232
Selling, general and administrative expenses	82,664	70,711	160,942	138,856
Merger and other	0	6	0	106
Gain on sales of property and equipment, net	996	631	2,382	785
Income from operations	50,666	29,734	85,354	45,055
Other income (expense):
Interest expense	(13,500)	(13,425)	(26,947)	(26,868)
Other, net	893	750	1,773	1,411
Total other expense, net	(12,607)	(12,675)	(25,174)	(25,457)
Income from operations before provision for income taxes	38,059	17,059	60,180	19,598
Provision for income taxes	10,189	4,808	16,014	5,492
Net income from continuing operations	27,870	12,251	44,166	14,106
Discontinued Operations:
Income (loss) from discontinued operations before provision (benefit) for income taxes	(2,049)	4,683	(2,049)	7,835
Provision (benefit) for income taxes	(525)	1,168	(525)	2,024
Net income (loss) from discontinued operations	(1,524)	3,515	(1,524)	5,811
Net income	$ 26,346	$ 15,766	$ 42,642	$ 19,917
Net income from continuing operations per common share:
Basic	$ 0.77	$ 0.34	$ 1.21	$ 0.39
Diluted	0.76	0.34	1.21	0.39
Net income (loss) from discontinued operations per common share:
Basic	(0.04)	0.10	(0.04)	0.16
Diluted	(0.04)	0.10	(0.04)	0.16
Net income per common share:
Basic	0.72	0.44	1.17	0.55
Diluted	$ 0.72	$ 0.43	$ 1.17	$ 0.55
Weighted average common shares outstanding:
Basic	36,382	36,216	36,373	36,200
Diluted	36,541	36,437	36,540	36,412
Dividends declared per common share outstanding	$ 0.275	$ 0.275	$ 0.550	$ 0.550
Equipment Rentals [Member]
Revenues:
Total revenues	$ 227,577	$ 175,611	$ 426,802	$ 328,830
Cost of revenues:
Total cost of revenues	116,976	102,412	226,669	197,424
Equipment Rentals [Member] | Rentals Other [Member]
Cost of revenues:
Total cost of revenues	23,873	18,390	44,786	34,884
Equipment Rentals [Member] | Rental Depreciation [Member]
Cost of revenues:
Total cost of revenues	62,288	56,513	122,309	109,966
Equipment Rentals [Member] | Rental Expense [Member]
Cost of revenues:
Total cost of revenues	30,815	27,509	59,574	52,574
Used Equipment Sales [Member]
Revenues:
Total revenues	18,833	35,821	40,359	74,675
Cost of revenues:
Total cost of revenues	9,871	22,683	22,419	49,043
New Equipment Sales [Member]
Revenues:
Total revenues	21,486	27,633	47,522	50,806
Cost of revenues:
Total cost of revenues	18,271	24,231	40,600	44,630
Parts Sales [Member]
Revenues:
Total revenues	16,172	16,880	32,231	32,436
Cost of revenues:
Total cost of revenues	11,832	12,353	23,536	23,506
Services Revenues [Member]
Revenues:
Total revenues	8,889	8,059	17,023	16,070
Cost of revenues:
Total cost of revenues	3,143	2,578	5,957	5,193
Other [Member]
Revenues:
Total revenues	1,714	1,673	3,184	3,292
Cost of revenues:
Total cost of revenues	$ 2,244	$ 1,600	$ 4,026	$ 3,081