Credit Agreement (Narrative) (Details) - Revolving Credit Facility - Line of Credit - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
Aug. 10, 2015	Jun. 30, 2015
Second Amended and Restated Credit Agreement
Debt Instrument [Line Items]
Long-term Line of Credit		$ 38,000
Letters of Credit Outstanding, Amount		100
Remaining Borrowing Capacity		$ 361,900
Weighted average interest rate		1.44%
Basis spread on variable rate		1.25%
Debt Instrument Period of Initial Variable Rate		30 days
Adjusted LIBOR interest rate		0.19%
Amended China Credit Agreement
Debt Instrument [Line Items]
Long-term Line of Credit		$ 4,900
Debt Instrument, Interest Rate, Effective Percentage		4.85%
Subsequent Event \| Second Amended and Restated Credit Agreement
Debt Instrument [Line Items]
Long-term Line of Credit	$ 102,000
Proceeds from Lines of Credit	64,000
Subsequent Event \| Amended China Credit Agreement
Debt Instrument [Line Items]
Repayments of Lines of Credit	$ 4,900

The adjusted LIBOR interest rate at the end of the reporting period.

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- Definition

Represents the period that the initial interest rate options are in effect, during which time the minimum variable rates apply for borrowings related to the adjusted LIBOR and alternate base rate.

+ References

No definition available.

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- Definition

Line of Credit Facility, Remaining Borrowing Capacity, After Applying Total Adjusted Leverage Ratio

+ References

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

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-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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-Topic 235

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Paragraph 15

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-Glossary Financing Activities

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-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

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