Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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-Name Regulation S-X (SX)
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-Article 12
-Section 13
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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Date the debt instrument was issued, in CCYY-MM-DD format.

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Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.

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Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

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Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life.

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For any transfer of securities categorized as held-to-maturity, this item represents the net carrying amount of the transferred security to another category of investments in debt and equity securities (trading or available-for-sale).

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Amount of unrecognized gain before loss on investments in held-to-maturity securities.

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Fair value of financial and nonfinancial obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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The amount by which the fair value of an investment in debt securities categorized as Held-to-maturity is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums and derivative liability, if any.

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Fair value as of the balance sheet date of assets held in rabbi trusts to fund payments under deferred compensation and non-qualified pension plans.

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Fair Value Measurements (Details) - USD ($) $ in Thousands	12 Months Ended
Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Oct. 01, 2016	Dec. 31, 2015	Oct. 03, 2015	Dec. 31, 2014
Assets:
Held-to-maturity Securities, Transferred Security, at Carrying Value	$ 0
Held-to-maturity Securities, Unrecognized Holding Gain	0
Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities	0
Liabilities:
Embedded derivative	(854)		$ (1,316)
Long-term Debt	367,049		448,080
Derivative, Notional Amount	100,000		29,000
Fair Value, Measurements, Recurring [Member]
Assets:
Assets held in rabbi trusts	41,917		39,849
Available for sale securities	3,969		3,604
Fair Value Assets	111,976		352,808
Liabilities:
Fair Value Liabilities	(854)		(1,316)
U.S. Plans [Member]
Assets:
Fair value of plan assets	0		258,092		$ 273,644
U.S. Plans [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets			255,804
U.S. Plans [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets			2,288
Non-U.S. Plans [Member]
Assets:
Fair value of plan assets	66,090		51,263		49,156
Non-U.S. Plans [Member] \| Equity Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	9,963		9,302
Non-U.S. Plans [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	12,780		13,416
Non-U.S. Plans [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	43,347		28,545
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Assets held in rabbi trusts	27,297		25,906
Available for sale securities	3,969		3,604
Fair Value Assets	97,356		337,616
Liabilities:
Fair Value Liabilities	0		0
Fair Value, Inputs, Level 1 [Member] \| U.S. Plans [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets			254,555
Fair Value, Inputs, Level 1 [Member] \| U.S. Plans [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets			2,288
Fair Value, Inputs, Level 1 [Member] \| Non-U.S. Plans [Member] \| Equity Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	9,963		9,302
Fair Value, Inputs, Level 1 [Member] \| Non-U.S. Plans [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	12,780		13,416
Fair Value, Inputs, Level 1 [Member] \| Non-U.S. Plans [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	43,347		28,545
Fair Value, Inputs, Level 2 [Member]
Liabilities:
Long-term Debt, Fair Value	860,600		756,900
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Assets held in rabbi trusts	14,620		13,943
Available for sale securities	0		0
Fair Value Assets	14,620		15,192
Liabilities:
Fair Value Liabilities	0		0
Fair Value, Inputs, Level 2 [Member] \| U.S. Plans [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets			1,249
Fair Value, Inputs, Level 2 [Member] \| U.S. Plans [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets			0
Fair Value, Inputs, Level 2 [Member] \| Non-U.S. Plans [Member] \| Equity Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	0		0
Fair Value, Inputs, Level 2 [Member] \| Non-U.S. Plans [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	0		0
Fair Value, Inputs, Level 2 [Member] \| Non-U.S. Plans [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	0		0
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Assets held in rabbi trusts	0		0
Available for sale securities	0		0
Fair Value Assets	0		0
Liabilities:
Fair Value Liabilities	(854)		(1,316)
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Nonrecurring [Member]
Assets:
Fair value of definite-lived intangible asset		$ 18,800
Fair Value, Inputs, Level 3 [Member] \| U.S. Plans [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets			0
Fair Value, Inputs, Level 3 [Member] \| U.S. Plans [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets			0
Fair Value, Inputs, Level 3 [Member] \| Non-U.S. Plans [Member] \| Equity Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	0		0
Fair Value, Inputs, Level 3 [Member] \| Non-U.S. Plans [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	0		0
Fair Value, Inputs, Level 3 [Member] \| Non-U.S. Plans [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	0		0
Convertible Senior Debentures, Due 2040 [Member]
Liabilities:
Embedded derivative	$ (393)		(576)
Convertible debentures issuance date	Nov. 09, 2010
Convertible Senior Debentures, Due 2040 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	$ (393)		(576)
Convertible Senior Debentures, Due 2040 [Member] \| Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	0		0
Convertible Senior Debentures, Due 2040 [Member] \| Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	0		0
Convertible Senior Debentures, Due 2040 [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	(393)		(576)
Convertible Senior Debentures, Due 2041 [Member]
Liabilities:
Embedded derivative	$ (285)		(438)
Convertible debentures issuance date	May 13, 2011
Convertible Senior Debentures, Due 2041 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	$ (285)		(438)
Convertible Senior Debentures, Due 2041 [Member] \| Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	0		0
Convertible Senior Debentures, Due 2041 [Member] \| Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	0		0
Convertible Senior Debentures, Due 2041 [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	$ (285)		(438)
Convertible Senior Debentures 2042 [Member]
Liabilities:
Convertible debentures issuance date	May 31, 2012
Convertible Senior Debentures 2042 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	$ (176)		(302)
Convertible Senior Debentures 2042 [Member] \| Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	0		0
Convertible Senior Debentures 2042 [Member] \| Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	0		0
Convertible Senior Debentures 2042 [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Recurring [Member]
Liabilities:
Embedded derivative	$ (176)		$ (302)
Capella Microsystems (Taiwan) Inc. [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets:
Fair value of definite-lived intangible asset				$ 10,900	$ 68,500
Capacitors Segment [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Nonrecurring [Member]
Assets:
Goodwill, Fair Value Disclosure				$ 0