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Taxes on Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2012 Successor	Sep. 30, 2012 Successor	Mar. 25, 2012 Predecessor	Sep. 30, 2011 Predecessor	Sep. 30, 2011 Predecessor
Income Tax Disclosure
Income tax expense	$ 27,149	$ 42,363	$ 24,941	$ 21,903	$ 65,340
Effective tax rate	43.00%	47.00%	38.00%	38.00%	35.00%

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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