Segment Reporting - Summary of Segment Reporting Information (Details)	3 Months Ended
	Sep. 30, 2020 USD ($) item segment	Sep. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jul. 01, 2019 USD ($)
Segment Reporting
Number of geographic areas | item	2
Number of operating segments | segment	4
Revenues:
Sales	$ 30,022,000	$ 30,964,000
Leasing	52,338,000	58,933,000
Total revenues	82,360,000	89,897,000
Share-based compensation expense	524,000	683,000
Depreciation and amortization	9,165,000	9,512,000
Operating income (loss)	11,305,000	14,930,000
Interest income	151,000	186,000
Interest expense	5,697,000	7,324,000
Additions to long-lived assets	11,345,000	18,486,000
Long-lived assets	483,171,000		$ 483,123,000
Operating lease assets	76,723,000		66,225,000	$ 70,797,000
Goodwill	98,234,000		97,224,000
North America
Revenues:
Sales	17,211,000	19,091,000
Leasing	36,657,000	43,667,000
Total revenues	53,868,000	62,758,000
Share-based compensation expense	476,000	500,000
Depreciation and amortization	6,136,000	5,559,000
Operating income (loss)	7,030,000	12,227,000
Interest income		1,000
Interest expense	3,210,000	4,509,000
Additions to long-lived assets	8,603,000	15,392,000
Long-lived assets	352,513,000		353,406,000
Operating lease assets	28,079,000		28,554,000
Goodwill	71,771,000		71,745,000
Operating Segments | Asia-Pacific
Revenues:
Sales		11,873,000
Leasing		15,266,000
Total revenues		27,139,000
Operating Segments | Asia-Pacific | Royal Wolf Leasing
Revenues:
Sales	12,811,000	11,873,000
Leasing	15,681,000	15,266,000
Total revenues	28,492,000	27,139,000
Share-based compensation expense	48,000	183,000
Depreciation and amortization	3,029,000	3,953,000
Operating income (loss)	4,275,000	2,703,000
Interest income	151,000	185,000
Interest expense	2,487,000	2,815,000
Additions to long-lived assets	2,742,000	3,094,000
Long-lived assets	130,658,000		129,717,000
Operating lease assets	48,644,000		37,671,000
Goodwill	26,463,000		25,479,000
Operating Segments | North America | Pac-Van Leasing
Revenues:
Sales	16,834,000	16,918,000
Leasing	34,419,000	35,602,000
Total revenues	51,253,000	52,520,000
Share-based compensation expense	119,000	105,000
Depreciation and amortization	4,038,000	4,020,000
Operating income (loss)	10,354,000	11,778,000
Interest expense	1,461,000	2,629,000
Additions to long-lived assets	8,783,000	15,163,000
Long-lived assets	321,987,000		320,956,000
Operating lease assets	25,245,000		25,602,000
Goodwill	65,149,000		65,123,000
Operating Segments | North America | Lone Star Leasing
Revenues:
Sales	20,000
Leasing	2,321,000	8,383,000
Total revenues	2,341,000	8,383,000
Share-based compensation expense	15,000	12,000
Depreciation and amortization	2,178,000	1,617,000
Operating income (loss)	(1,909,000)	1,891,000
Interest expense	21,000	127,000
Additions to long-lived assets	36,000	389,000
Long-lived assets	38,447,000		40,234,000
Operating lease assets	2,377,000		2,441,000
Goodwill	6,622,000		6,622,000
Operating Segments | North America | Pac Van and Lone Star Leasing
Revenues:
Sales	16,854,000	16,918,000
Leasing	36,740,000	43,985,000
Total revenues	53,594,000	60,903,000
Share-based compensation expense	134,000	117,000
Depreciation and amortization	6,216,000	5,637,000
Operating income (loss)	8,445,000	13,669,000
Interest expense	1,482,000	2,756,000
Additions to long-lived assets	8,819,000	15,552,000
Long-lived assets	360,434,000		361,190,000
Operating lease assets	27,622,000		28,043,000
Goodwill	71,771,000		71,745,000
Operating Segments | North America | Manufacturing
Revenues:
Sales	1,625,000	3,506,000
Total revenues	1,625,000	3,506,000
Share-based compensation expense	12,000	9,000
Depreciation and amortization	99,000	101,000
Operating income (loss)	(217,000)	176,000
Interest expense	12,000	36,000
Additions to long-lived assets	2,000	8,000
Long-lived assets	1,264,000		1,361,000
Operating lease assets	214,000		244,000
Corporate and Intercompany Adjustments | North America
Revenues:
Sales	(1,268,000)	(1,333,000)
Leasing	(83,000)	(318,000)
Total revenues	(1,351,000)	(1,651,000)
Share-based compensation expense	330,000	374,000
Depreciation and amortization	(179,000)	(179,000)
Operating income (loss)	(1,198,000)	(1,618,000)
Interest income		1,000
Interest expense	1,716,000	1,717,000
Additions to long-lived assets	(218,000)	(168,000)
Long-lived assets	(9,185,000)		(9,145,000)
Operating lease assets	243,000		$ 267,000
Corporate and Intercompany Adjustments | North America | Lone Star Leasing
Revenues:
Sales	$ 50,000	$ 285,000