Acquisition and Disposals - Transaction related costs (Details) - Jun. 30, 2015 - USD ($) $ in Thousands	Total
Severance costs
Business Combination, Separately Recognized Transactions [Line Items]
Costs incurred in 2015	$ 12,274
2015 payments	1,639
Liabilities at June 30, 2015	10,635
Retention costs
Business Combination, Separately Recognized Transactions [Line Items]
Costs incurred in 2015	365
2015 payments	0
Liabilities at June 30, 2015	365
Facilities-related costs
Business Combination, Separately Recognized Transactions [Line Items]
Costs incurred in 2015	1,530
2015 payments	462
Liabilities at June 30, 2015	1,068
Consulting and other
Business Combination, Separately Recognized Transactions [Line Items]
Costs incurred in 2015	13,676
2015 payments	4,573
Liabilities at June 30, 2015	$ 9,103

Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of liabilities recognized recorded in a transaction with the acquiree for each transaction that is recognized separately from the acquisition of assets and assumptions of liabilities 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 (e)(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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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.

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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