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.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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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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- Definition

Business Combination, Working Capital Adjustment

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

+ 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

+ Details

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Period Type:	instant

- 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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Balance Type:	na
Period Type:	instant

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460

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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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-Publisher FASB

-Name Accounting Standards Codification

-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

+ Details

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Period Type:	duration

- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ 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 (h)(1)

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

+ Details

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Period Type:	duration

- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ 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 (h)(1)

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

+ Details

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- Definition

This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to inventory acquired in connection with a business combination for which the initial accounting was incomplete.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 6

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1500-128463

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

+ Details

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Period Type:	instant

- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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Period Type:	instant

- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

-URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464

+ Details

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Balance Type:	debit
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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

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)(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)

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

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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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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- Definition

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

+ References

No definition available.

+ Details

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- Details

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Acquisitions Narrative (Details) $ / shares in Units, $ in Thousands				3 Months Ended	6 Months Ended
	Apr. 17, 2015 USD ($)	Mar. 31, 2015 USD ($)	Jan. 20, 2015 USD ($) shares	Jun. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Feb. 04, 2015 £ / shares	Jan. 20, 2015 £ / shares	Jan. 20, 2015 USD ($) $ / shares	Jan. 19, 2015	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Business Acquisition [Line Items]
Goodwill				$ 96,321	$ 96,321					$ 45,951	$ 87,362
SPH Holdings
Business Acquisition [Line Items]
Fair value (in dollars per share) \| $ / shares								$ 2.51
Fair value of equity			$ 12,011
CoSine
Business Acquisition [Line Items]
Ownership percentage (as a percent)				80.60%	80.60%					48.30%
CoSine \| SPH Holdings
Business Acquisition [Line Items]
Ownership percentage (as a percent)									48.00%
CoSine Communications, Inc. (CoSine)
Business Acquisition [Line Items]
Fair value of consideration paid			66,239
Goodwill								$ 8,295
CoSine Communications, Inc. (CoSine) \| SPH Holdings
Business Acquisition [Line Items]
Voting interest acquired (as a percent)								80.00%
Price per share (in dollars per share) \| £ / shares						£ 0.60	£ 0.60
Investment gain			$ 6,900
CoSine Communications, Inc. (CoSine) \| SPH Holdings \| Common Stock
Business Acquisition [Line Items]
Number of shares acquired \| shares			16,500,000
CoSine Communications, Inc. (CoSine) \| SPH Holdings \| Preferred Stock
Business Acquisition [Line Items]
Number of shares acquired \| shares			12,761
Dividend rate (as a percent)			7.50%
CoSine Communications, Inc. (CoSine) \| API Group plc (API) \| SPH Holdings
Business Acquisition [Line Items]
Shares contributed \| shares			24,807,203
CoSine Communications, Inc. (CoSine) \| Nathan's Famous, Inc. \| SPH Holdings
Business Acquisition [Line Items]
Shares contributed \| shares			445,456
CoSine Communications, Inc. (CoSine) \| Bidco \| SPH Holdings
Business Acquisition [Line Items]
Ownership percentage (as a percent)						98.00%
API Group plc (API)
Business Acquisition [Line Items]
Fair value of consideration paid	$ 47,866		$ 22,861		$ 70,727
Property, plant and equipment	43,928
Goodwill	20,327
Other intangible assets	23,977
Acquisition related costs					1,161
Fair value adjustment					1,028
API Group plc (API) \| Trade Names
Business Acquisition [Line Items]
Other intangible assets	$ 5,222
Useful life (in years)	10 years
API Group plc (API) \| Customer Relationships
Business Acquisition [Line Items]
Other intangible assets	$ 18,738
Useful life (in years)	7 years
ITW \| OMG
Business Acquisition [Line Items]
Fair value of consideration paid		$ 27,400
Working capital adjustment		400
Net working capital		1,700
Property, plant and equipment		100
Intangible assets		4,400
Goodwill		$ 21,300
CoSine Communications, Inc. and API Group plc
Business Acquisition [Line Items]
Revenue since acquisition				$ 26,796	26,796
Income (loss) since acquisition				$ 1,500	$ (968)