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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Publisher FASB

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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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.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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-Publisher FASB

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-Topic 350

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Goodwill and Other Intangibles (Detail 2) (USD $)	3 Months Ended
Goodwill and Other Intangibles (Detail 2) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Other Intangible Assets
Gross Carrying Amount	$ 62,765,000		$ 62,764,000
Accumulated Amortization	31,976,000		31,169,000
Other intangible assets not subject to amortization	8,900,000
Amortization expense of other intangible assets	800,000us-gaap_AmortizationOfIntangibleAssets	1,200,000us-gaap_AmortizationOfIntangibleAssets
Impairment of other intangible assets	0
Trade name
Other Intangible Assets
Gross Carrying Amount	8,545,000		8,545,000
Trading rights
Other Intangible Assets
Gross Carrying Amount	339,000		339,000
Other
Other Intangible Assets
Gross Carrying Amount	50,000		50,000
POSIT trade name
Other Intangible Assets
Other intangible assets not subject to amortization	8,400,000
Customer related intangibles
Other Intangible Assets
Gross Carrying Amount	30,273,000		30,272,000
Accumulated Amortization	11,804,000		11,210,000
Useful Lives	13 years 1 month 6 days
Proprietary software
Other Intangible Assets
Gross Carrying Amount	23,558,000		23,558,000
Accumulated Amortization	$ 20,172,000		$ 19,959,000
Useful Lives	6 years 1 month 6 days