Goodwill and Other Intangible Assets (Narrative) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill	$ 66,516	$ 33,526	$ 33,495
Indefinite-lived trademarks	935	891
Finite-lived intangible assets, amortization expense	6,662	5,629	5,625
Finite-lived intangible assets, future amortization expense, year one	10,200
Finite-lived intangible assets, future amortization expense, year two	10,143
Finite-lived intangible assets, future amortization expense, year three	9,393
Finite-lived intangible assets, future amortization expense, year four	8,597
Finite-lived intangible assets, future amortization expense, year five	8,164
Finite-lived intangible assets, future amortization expense, after year five	40,523
Customer relationships | Minimum
Goodwill and Intangible Assets Disclosure [Line Items]
Finite-lived intangible assets, estimated useful life	7 years
Customer relationships | Maximum
Goodwill and Intangible Assets Disclosure [Line Items]
Finite-lived intangible assets, estimated useful life	11 years
Trademarks | Minimum
Goodwill and Intangible Assets Disclosure [Line Items]
Finite-lived intangible assets, estimated useful life	3 years
Trademarks | Maximum
Goodwill and Intangible Assets Disclosure [Line Items]
Finite-lived intangible assets, estimated useful life	4 years
Product rights and related intangibles | Minimum
Goodwill and Intangible Assets Disclosure [Line Items]
Finite-lived intangible assets, estimated useful life	3 years
Product rights and related intangibles | Maximum
Goodwill and Intangible Assets Disclosure [Line Items]
Finite-lived intangible assets, estimated useful life	14 years
License agreements | Minimum
Goodwill and Intangible Assets Disclosure [Line Items]
Finite-lived intangible assets, estimated useful life	6 years
License agreements | Maximum
Goodwill and Intangible Assets Disclosure [Line Items]
Finite-lived intangible assets, estimated useful life	11 years
EPA registrations and related data
Goodwill and Intangible Assets Disclosure [Line Items]
Finite-lived intangible assets, estimated useful life	10 years
Technology-based intangibles
Goodwill and Intangible Assets Disclosure [Line Items]
Finite-lived intangible assets, estimated useful life	7 years
Human Health
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill	$ 32,722