Note 14 - Fair Value Measurements (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Note 14 - Fair Value Measurements (Details) [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	$ 0
Liabilities, Fair Value Disclosure, Nonrecurring	0
Samsung Corning Precision Materials Co., Ltd. [Member]
Note 14 - Fair Value Measurements (Details) [Line Items]
Business Combination, Contingent Consideration, Asset	458,000,000	$ 445,000,000
IBwave Solutions and Fiberoptics [Member]
Note 14 - Fair Value Measurements (Details) [Line Items]
Business Combination, Contingent Consideration, Liability	$ 13,000,000

No definition available.

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

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- Definition

Amount of asset recognized arising from contingent consideration in a business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 35

-Paragraph 1

-Subparagraph b

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-SubTopic 30

-Section 25

-Paragraph 7

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 35

-Paragraph 1

-Subparagraph b

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- Definition

Aggregation of the liabilities reported on the balance sheet measured at fair value on a nonrecurring basis by the entity.

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No definition available.

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