Segment Information (Selected Information Related To Operations By Geographic Area) (Details) (USD $) In Thousands	3 Months Ended	12 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Jun. 30, 2011
Segment Reporting Information [Line Items]
Net sales	$ 292,359	$ 257,961
Earnings before income taxes and equity in earnings of equity-method investees	19,339	16,086
Long-lived assets	$949,242		$962,438
United States [Member]
Segment Reporting Information [Line Items]
Net sales	233,642	210,867
Earnings before income taxes and equity in earnings of equity-method investees	21,517	18,557
Long-lived assets	$817,200		$821,169
Canada [Member]
Segment Reporting Information [Line Items]
Net sales	18,411	16,217
Earnings before income taxes and equity in earnings of equity-method investees	572	848
Long-lived assets	60,939		65,952
Europe [Member]
Segment Reporting Information [Line Items]
Net sales	40,306	30,877
Earnings before income taxes and equity in earnings of equity-method investees	$ (2,750)	$ (3,319)
Long-lived assets	71,103		75,317

Disclosures about long-lived assets (except financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets) that are (1) located in the entity's country of domicile, and (2) located in all foreign countries in which the entity holds assets.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 41

-Subparagraph (b)

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 4

-Section 08

-Paragraph h

-Subparagraph 1(i)

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

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- Definition

Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 1

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

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