Business Acquisition, Number of Shares Acquired

No definition available.

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- Definition

Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Shares Contributed

+ References

No definition available.

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- Definition

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Working Capital

+ References

No definition available.

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- Definition

Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value Per Share

+ References

No definition available.

+ Details

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- Details

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 7

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-Topic 805

-SubTopic 30

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-Paragraph 1

-Subparagraph (b)

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-Topic 805

-SubTopic 30

-Section 30

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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-SubTopic 10

-Section 55

-Paragraph 37

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

+ References

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- Definition

Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)(1)

-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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- Definition

In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)(2)

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB

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-Topic 350

-SubTopic 20

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- Definition

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Article 5

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

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Acquisitions Narrative (Details) In Thousands, except Share data, unless otherwise specified	3 Months Ended				0 Months Ended					0 Months Ended	3 Months Ended		0 Months Ended			0 Months Ended			3 Months Ended	0 Months Ended		0 Months Ended
	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Jan. 20, 2015 SPH Holdings USD ($)	Jan. 20, 2015 SPH Holdings USD ($)	Mar. 31, 2015 CoSine	Dec. 31, 2014 CoSine	Jan. 19, 2015 CoSine SPH Holdings	Jan. 20, 2015 CoSine Communications, Inc. (CoSine) USD ($)	Mar. 31, 2015 CoSine Communications, Inc. (CoSine) USD ($)	Jan. 20, 2015 CoSine Communications, Inc. (CoSine) USD ($)	Jan. 20, 2015 CoSine Communications, Inc. (CoSine) SPH Holdings USD ($)	Feb. 04, 2015 CoSine Communications, Inc. (CoSine) SPH Holdings GBP (£)	Jan. 20, 2015 CoSine Communications, Inc. (CoSine) SPH Holdings GBP (£)	Jan. 20, 2015 CoSine Communications, Inc. (CoSine) SPH Holdings Common Stock	Jan. 20, 2015 CoSine Communications, Inc. (CoSine) SPH Holdings Preferred Stock	Jan. 20, 2015 CoSine Communications, Inc. (CoSine) API Group plc (API) SPH Holdings	Mar. 31, 2015 CoSine Communications, Inc. (CoSine) API Group plc (API) SPH Holdings USD ($)	Jan. 20, 2015 CoSine Communications, Inc. (CoSine) Nathan's Famous, Inc. SPH Holdings	Feb. 04, 2015 CoSine Communications, Inc. (CoSine) Bidco SPH Holdings	Mar. 31, 2015 ITW OMG USD ($)	Mar. 31, 2015 ITW OMG USD ($)
Business Acquisition [Line Items]
Shares contributed																		24,807,203		445,456
Number of shares acquired																16,500,000	12,761		50,127,702
Dividend rate (as a percent)																	7.50%
Voting interest acquired (as a percent)															80.00%
Ownership percentage (as a percent)							80.60%	48.30%	48.00%												98.00%
Price per share (in dollars per share)														£ 0.60	£ 0.60
Fair value (in dollars per share)						$ 2.51
Fair value of equity					$ 12,011
Investment gain													6,900
Income from discontinued operations	86,971	2,811									2,400
Fair Value of Consideration Paid										66,239									46,000			27,000
Net working capital																							1,600
Property, plant and equipment																							100
Intangible assets																							4,400
Goodwill	$ 75,138us-gaap_Goodwill		$ 45,951us-gaap_Goodwill	$ 87,362us-gaap_Goodwill								$ 8,295											$ 20,900