Share-Based Compensation (Summary of Stock Option Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended			9 Months Ended
	Dec. 31, 2013 Successor [Member] Stock Option Tranche 1 [Member]	Dec. 31, 2013 Successor [Member] Stock Option Tranche 2 [Member]	Dec. 31, 2013 Successor [Member] Rollover Stock Options [Member]	Sep. 28, 2012 Predecessor [Member]
Shares:
Balance at December 31, 2012 (in shares)	21,630	21,630	18,100	2,286
Granted (in shares)	500	0	0	310
Exercised (in shares)	0	0	(749)	(1,659)
Forfeited (in shares)	(300)	(300)	0	(937)
Balance at December 31, 2013 (in shares)	21,830	21,330	17,351	0
Exercisable (in shares)	4,366	4,266	17,351
Expected to vest (in shares)	21,105	20,605
Weighted Average Exercise Price (in dollars per share):
Balance at December 31, 2012 (in dollars per share)	$ 1.00	$ 1.00	$ 0.25	$ 30.11
Granted (in dollars per share)	$ 1.00	$ 0.00	$ 0.00	$ 32.97
Exercised (in dollars per share)	$ 0.00	$ 0.00	$ 0.25	$ 25.61
Forfeited (in dollars per share)	$ 1.00	$ 1.00	$ 0.00	$ 39.12
Balance at December 31, 2013 (in dollars per share)	$ 1.00	$ 1.00	$ 0.25	$ 0.00
Exercisable (in dollars per share)	$ 1.00	$ 1.00	$ 0.25
Expected to vest (in dollars per share)	$ 1.00	$ 1.00
Weighted Average Remaining Life, Outstanding	8 years 9 months	8 years 9 months	3 years 9 months 18 days
Weighted Average Remaining Life, Exercisable	8 years 9 months	8 years 9 months	3 years 9 months 18 days
Weighted Average Remaining Life, Expected to vest	8 years 9 months	8 years 9 months
Aggregate Intrinsic Value, Ending Balance	$ 0	$ 0	$ 13,013	$ 0
Aggregate Intrinsic Value, Exercisable	0	0	13,013
Aggregate Intrinsic Value, Vested and expected to vest	$ 0	$ 0