Net Loss Per Share (Reconciliation Of The Numerator And Denominator Of Basic And Diluted Net Loss Per Share) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Numerator:
Loss from continuing operations	$ (41,431)			$ (146,071)			$ (152,095)	$ (696,288)
Loss from discontinued operations, net of tax	(37,984)			(27,134)			(51,898)	(43,273)
NET LOSS	$ (79,415)	$ (106,005)	$ (18,573)	$ (173,205)	$ (60,867)	$ (505,489)	$ (203,993)	$ (739,561)
Denominator:
For basic per share data—weighted average shares (in shares)	226,598			224,132			225,804	223,829
Dilutive effect of ordinary share equivalents (in shares)	0			0			0	0
For diluted per share data—weighted average shares (in shares)	226,598			224,132			225,804	223,829

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Amount after tax of income (loss) from continuing operations attributable to the parent.

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Amount after tax of income (loss) from a discontinued operation attributable to the parent. 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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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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