Restructuring Charges (Restructuring and Related Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restructuring Charges [Abstract]
Severance charges	$ 0	$ 0	$ 7,246
Lease termination charges	6	(3)	4,808
Asset impairment charges	8,107	229	7,530
Gain on sale of assets held for sale, net	0	(401)	(766)
Professional fees and other charges	154	211	1,767
Total restructuring charges	$ 8,267	$ 36	$ 20,585

Restructuring charges, professional fees.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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-Publisher FASB
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- Definition

Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

+ References

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- Definition

Amount of gain (loss) on sale or disposal of other assets.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References

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