Intangible Assets Including Goodwill - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended		12 Months Ended
		Mar. 31, 2016	Mar. 31, 2016	Mar. 31, 2015	Jun. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment charge	[1]	$ 25,000
Amortization expense			$ 2,600	$ 3,700
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		33,801	33,801		$ 33,266
Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		2,579	2,579		2,460
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		28,154	28,154		27,837
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		1,453	1,453		1,354
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		1,615	$ 1,615		$ 1,615
Minimum [Member] | Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			6 years		6 years
Minimum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			4 months		1 year 6 months
Minimum [Member] | Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			4 years		4 years
Minimum [Member] | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			3 years		3 years
Maximum [Member] | Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			15 years		15 years
Maximum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			15 years		15 years
Maximum [Member] | Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			5 years		5 years
Maximum [Member] | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			5 years		5 years
Baillie Tank Equipment, Ltd. [Member] | Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		100	$ 100
Finite-Lived Intangible Asset, Useful Life			10 years
Baillie Tank Equipment, Ltd. [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		500	$ 500
Baillie Tank Equipment, Ltd. [Member] | Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		$ 100	$ 100
Finite-Lived Intangible Asset, Useful Life			4 years
Baillie Tank Equipment, Ltd. [Member] | Minimum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			4 months
Baillie Tank Equipment, Ltd. [Member] | Maximum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years

[1] A $25.0 million impairment charge was recorded in February 2005.