Acquisitions (Narrative) (Details) (USD $)	12 Months Ended			1 Months Ended		1 Months Ended	0 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012	Jun. 26, 2013 Canyon Engineering Products Inc [Member] sqft	Jun. 26, 2013 Customer Relationships [Member] Canyon Engineering Products Inc [Member]	Dec. 21, 2012 Felix Tool And Engineering Inc [Member]	Dec. 10, 2012 Finepoint Marketing Inc [Member]	Dec. 10, 2012 Finepoint Marketing Inc [Member] Customer Relationships [Member]
Business Acquisition [Line Items]
Amortizable identifiable intangible assets					$ 1,700,000			$ 1,200,000
Payments to Acquire Businesses, Gross				9,200,000
Payments to Acquire Manufacturing Facility				7,000,000
Goodwill	282,337,000	282,949,000	279,600,000	1,300,000			1,300,000
Area of Real Estate Property				70,000
Payments to Acquire Productive Assets, Total	$ 12,714,000	$ 13,862,000	$ 10,799,000			$ 1,200,000	$ 2,500,000