Income Taxes - Narrative (Details) (USD $)	12 Months Ended	6 Months Ended	12 Months Ended	9 Months Ended
	Dec. 31, 2014	Dec. 31, 2012	Dec. 31, 2013	Sep. 28, 2012	Dec. 31, 2011
Income Taxes [Line Items]
Valuation allowance gross	$ 252,000,000
Valuation allowance	19,400,000
Valuation allowance gross, change in amount	7,100,000
Current unrecognized tax positions	14,500,000
Total amount of accrued interest and penalties resulting from unrecognized tax benefits	2,100,000		2,500,000
Unrecognized tax benefits that would affect the effective tax rate, if recognized	13,600,000		13,300,000
Unrecognized tax position that may recognized within next twelve months	2,200,000
State [Member]
Income Taxes [Line Items]
Net operating loss carry forwards	242,700,000
Successor [Member]
Income Taxes [Line Items]
Deferred tax asset likely to be realized	97,100,000
Total deferred tax assets	116,509,000		92,330,000
Valuation allowance	19,381,000		12,322,000
Current unrecognized tax positions	14,495,000	12,538,000	17,981,000	12,119,000
Recognized interest and penalties	600,000	40,000	500,000
Predecessor [Member]
Income Taxes [Line Items]
Current unrecognized tax positions				12,119,000	14,409,000
Recognized interest and penalties				$ 400,000