Debt (Details) In Thousands, unless otherwise specified				0 Months Ended	1 Months Ended	3 Months Ended		3 Months Ended			3 Months Ended
	Sep. 30, 2013 USD ($)	Jun. 30, 2013 USD ($)	Sep. 30, 2013 Revolving Credit Facility [Member] USD ($)	Aug. 20, 2013 Revolving multi-currency credit facility [Member]	May 31, 2012 Revolving multi-currency credit facility [Member] USD ($)	Sep. 30, 2013 Revolving multi-currency credit facility [Member] USD ($)	Sep. 30, 2013 Revolving credit agreement [Member] USD ($)	Sep. 30, 2013 Quebec Silicon Acquisition Revolving Credit Facility [Member] USD ($)	Sep. 30, 2013 Quebec Silicon Acquisition Revolving Credit Facility [Member] CAD	Jun. 30, 2013 Quebec Silicon Acquisition Revolving Credit Facility [Member]	Sep. 30, 2013 Export Financing [Member] USD ($)	Jun. 30, 2013 Export Financing [Member] USD ($)	Sep. 30, 2013 Other [Member] USD ($)	Jun. 30, 2013 Other [Member] USD ($)
Short-term Debt [Line Items]
Outstanding Balance	$ 15	$ 284									$ 0	$ 0	$ 15	$ 284
Weighted Average Interest Rate (in hundredths)													7.00%	7.00%
Unused Credit Line	9,555	9,690									9,555	9,690	0	0
Period for short-term export financing agreements, minimum (in months)											7 months
Period for short-term export financing agreements, maximum (in months)											11 months
Line of Credit Facility [Line Items]
Outstanding balance	9,000	9,000	9,000			100,000	0	0
Term of credit facility				5 years	5 years
Weighted average interest rate (in hundredths)			2.33%			1.68%	5.00%
Unused commitment			11,000			198,620	14,585
Total commitment			20,000		300,000	300,000	14,585		15,000
Expiration date						Aug. 20, 2018		Sep. 20, 2015	Sep. 20, 2015
Sublimit for swingline loans						10,000
Sublimit letter of credit						25,000
Interest rate on borrowings under the credit agreement				Interest on borrowings under the credit agreement is payable, at the Company’s election, at either (a) a base rate (the higher of (i) the U.S. federal funds rate plus 0.50% per annum, (ii) the Administrative Agent’s prime rate or (iii) a Eurocurrency Rate for loans with a one month interest period plus 1.00% per annum plus a margin ranging from 0.50% to 1.50% per annum (such margin determined by reference to the leverage ratio set forth in the credit agreement), or (b) the Eurocurrency Rate plus a margin ranging from 1.50% to 2.50% per annum (such margin determined by reference to the leverage ratio set forth in the credit agreement)Interbank Offered Rate for loans with a one month interest period plus 1.00% per annum plus a margin ranging from 0.75% to 1.50% per annum (such margin determined by reference to the leverage ratio set forth in the credit agreement), or (b) the adjusted London Interbank Offered Rate plus a margin ranging from 1.75% to 2.50% per annum (such margin determined by reference to the leverage ratio set forth in the credit agreement).
Additional borrowing capacity						198,620
Aggregate amount by which maximum borrowing capacity may be increased						150,000
Period following written demand by lender after which borrowings become due and payable (in business days)			10 days
Interest rate on borrowings, variable rate basis								Canadian prime	Canadian prime
Interest rate on borrowings, basis spread on variable rate (in hundredths)										2.00%
Interest rate at period end (in hundredths)										5.00%
Letters of credit outstanding associated with supplier contracts						440
Letters of credit outstanding associated with landlord guarantees						640
Letters of credit outstanding associated with economic development						$ 300