Other (Income) Expense, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Other Income and Expenses [Abstract]
Unrealized (gain) loss on assets held in rabbi trust for a nonqualified deferred compensation plan	$ (264)	$ (649)	$ (173)	$ (1,245)
Elimination of one-month Canadian reporting lag, effective July 1, 2013	0	0	0	(1,167)
Foreign currency transactions (gain) loss	574	302	627	907
Other, net	70ait_OtherNet	77ait_OtherNet	170ait_OtherNet	144ait_OtherNet
Total other (income) expense, net	$ 380us-gaap_OtherNonoperatingIncomeExpense	$ (270)us-gaap_OtherNonoperatingIncomeExpense	$ 624us-gaap_OtherNonoperatingIncomeExpense	$ (1,361)us-gaap_OtherNonoperatingIncomeExpense

Other net.

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- Definition

Unrealized gain losses on assets held under trust for a nonqualified deferred compensation plan.

+ References

No definition available.

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- Definition

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894

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-Name Accounting Standards Codification

-Topic 830

-SubTopic 20

-Section 50

-Paragraph 1

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-Section 45

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-URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894

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Amount of the effect of a change in accounting principle on net income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 250

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28359718&loc=d3e22580-107794

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-Name Accounting Standards Codification

-Topic 250

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 9

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

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