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Net Income Per Share - Reconciliation of Common Shares Used for Basic and Diluted Earnings Per Share (Detail) - Successor [Member] - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of common shares used for basic earnings per share	45,174,521	45,115,882	45,173,671	45,083,831
Effect of potential dilutive shares:
Weighted average number of common shares and potential dilutive shares used for diluted earnings per share	45,174,521	46,624,689	46,352,214	47,027,084
Restricted Stock Units (RSUs) [Member]
Effect of potential dilutive shares:
Effect of potential dilutive shares	0	31,384	14,418	40,473
Performance Shares [Member]
Effect of potential dilutive shares:
Effect of potential dilutive shares	0	0	2,729	0
Warrants [Member]
Effect of potential dilutive shares:
Effect of potential dilutive shares	0	1,469,203	1,154,313	1,892,211
Anti-dilutive shares excluded from reconciliation	4,461,637
Employee Stock Option [Member]
Effect of potential dilutive shares:
Effect of potential dilutive shares	0	8,220	7,083	10,569
Anti-dilutive shares excluded from reconciliation	176,668		110,000

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

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-Name Accounting Standards Codification



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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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