Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Jun. 30, 2012
Business Acquisition [Line Items]
Tax deductible goodwill	$ 30,910	$ 28,675
Pelichem Industrial Cleaning Services, LLC [Member]
Business Acquisition [Line Items]
Current assets	1,137
Property, plant, and equipment	4,292
Tax deductible goodwill	2,237
Other intangible assets	1,853
Total assets acquired	9,519
Current liabilities	108
Net assets acquired	9,411
Estimated working capital adjustment	1,161
Purchase price before working capital adjustment	$ 8,250

Business Combination, Provisional Information, Initial Accounting Incomplete, Working Capital Adjustment

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- Definition

Business Combination, Recognized Identifable Assets Acquired And Liabilities Assumed, Current Liabilities

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Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets

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Business Combinations, Recognized Identifiable Assets Acquired And Liabilities Assumed, Assets

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- Definition

This element represents the acquisition-date fair value of the total consideration transferred which consists of the sum of the acquisition-date fair values of the assets transferred by the acquirer, the liabilities incurred by the acquirer to former owners of the acquiree, and the equity interests issued by the acquirer.

+ References

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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- Definition

The net amount recognized as of the acquisition date for the aggregate identifiable assets acquired in excess of or less than the aggregate liabilities assumed.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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- Definition

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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