Derivative Financial Instruments (Narrative) (Details)	3 Months Ended			12 Months Ended			3 Months Ended			12 Months Ended				3 Months Ended
	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Sep. 30, 2013 Sales [Member] Currency Contracts [Member] USD ($)	Jun. 30, 2013 Sales [Member] Currency Contracts [Member] USD ($)	Sep. 30, 2013 Sales [Member] Currency Contracts [Member] EUR (€)	Sep. 30, 2013 Sales [Member] Currency Contracts [Member] GBP (£)	Sep. 30, 2013 Sales [Member] Minimum [Member] Currency Contracts [Member]	Sep. 30, 2013 Sales [Member] Maximum [Member] Currency Contracts [Member]	Sep. 30, 2013 Cost Of Sales [Member] Currency Contracts [Member] USD ($)	Jun. 30, 2013 Cost Of Sales [Member] Currency Contracts [Member] USD ($)	Sep. 30, 2013 Cost Of Sales [Member] Currency Contracts [Member] AUD	Sep. 30, 2013 Cost Of Sales [Member] Currency Contracts [Member] CAD	Sep. 30, 2013 Cost Of Sales [Member] Currency Contracts [Member] CHF	Sep. 30, 2013 Cost Of Sales [Member] Minimum [Member]	Sep. 30, 2013 Cost Of Sales [Member] Minimum [Member] Currency Contracts [Member]	Sep. 30, 2013 Cost Of Sales [Member] Maximum [Member]	Sep. 30, 2013 Cost Of Sales [Member] Maximum [Member] Currency Contracts [Member]
Derivative [Line Items]
Term foreign currency cash flow hedges are hedged							12 months	24 months							12 months		24 months
Maturity of foreign currency cash flow hedges							Oct. 31, 2013	May 31, 2015						Oct. 31, 2013		May 31, 2014
Amount recorded resulting from hedge ineffectiveness relating to foreign currency contracts			$ 0	$ 0					$ 0	$ 0
Derivative, notional amount					19,300,000	20,300,000					12,100,000	4,600,000	9,600,000
Selling, general and administrative expense, foreign currency contracts (credit) charge	$ (700,000)	$ (500,000)