Debt (Narrative) (Details) (USD $)			3 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended								0 Months Ended							0 Months Ended			0 Months Ended	1 Months Ended		0 Months Ended				1 Months Ended			1 Months Ended					0 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012 Successor [Member]	Dec. 31, 2013 Successor [Member]	Sep. 28, 2012 Predecessor [Member]	Dec. 31, 2011 Predecessor [Member]	Dec. 31, 2013 Credit Agreement [Member] Term Loan and Revolving Credit Facility [Member]	Sep. 28, 2012 Credit Agreement [Member] Term Loan and Revolving Credit Facility [Member]	Dec. 31, 2013 Credit Agreement [Member] Term Loan and Revolving Credit Facility [Member] Ratio is Greater than 2.50 but Less Than or Equal to 3.00, Required to Pay 25% of Excess cash Flows [Member]	Dec. 31, 2013 Credit Agreement [Member] Term Loan and Revolving Credit Facility [Member] Ratio is Greater than 3.00, Required to Pay 50% of Excess cash Flows [Member]	Dec. 31, 2013 Credit Agreement [Member] Term Loan and Revolving Credit Facility [Member] Minimum [Member] Ratio is Greater than 2.50 but Less Than or Equal to 3.00, Required to Pay 25% of Excess cash Flows [Member]	Dec. 31, 2013 Credit Agreement [Member] Term Loan and Revolving Credit Facility [Member] Minimum [Member] Ratio is Greater than 3.00, Required to Pay 50% of Excess cash Flows [Member]	Dec. 31, 2013 Credit Agreement [Member] Term Loan and Revolving Credit Facility [Member] Maximum [Member] Ratio is Greater than 2.50 but Less Than or Equal to 3.00, Required to Pay 25% of Excess cash Flows [Member]	Sep. 28, 2012 7 Year Senior Secured Term Loan Facility [Member] Term Loan [Member]	Dec. 31, 2013 7 Year Senior Secured Term Loan Facility [Member] Term Loan [Member] Successor [Member]	Dec. 31, 2012 7 Year Senior Secured Term Loan Facility [Member] Term Loan [Member] Successor [Member]	Dec. 31, 2013 7 Year Senior Secured Term Loan Facility [Member] Term Loan [Member] Successor [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value Measurement [Member]	Dec. 31, 2012 7 Year Senior Secured Term Loan Facility [Member] Term Loan [Member] Successor [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value Measurement [Member]	Dec. 31, 2013 7 Year Senior Secured Term Loan Facility [Member] Term Loan [Member] Successor [Member] Fair Value, Measurements, Recurring [Member] Level 2 [Member]	Dec. 31, 2012 7 Year Senior Secured Term Loan Facility [Member] Term Loan [Member] Successor [Member] Fair Value, Measurements, Recurring [Member] Level 2 [Member]	Sep. 28, 2012 5 Year Senior Secured Revolving Credit Facility [Member] Revolving Credit Facility [Member]	Dec. 31, 2013 5 Year Senior Secured Revolving Credit Facility [Member] Revolving Credit Facility [Member] Successor [Member]	Dec. 31, 2012 5 Year Senior Secured Revolving Credit Facility [Member] Revolving Credit Facility [Member] Successor [Member]	Feb. 06, 2013 New Term Loan [Member] Term Loan [Member]	Feb. 28, 2013 New Term Loan [Member] Term Loan [Member]	Feb. 28, 2013 New Term Loan [Member] Term Loan [Member] Gain (Loss) on Extinguishment of Debt [Member]	Feb. 06, 2013 New Term Loan [Member] Term Loan [Member] LIBOR [Member]	Feb. 06, 2013 New Term Loan [Member] Term Loan [Member] Base Rate [Member]	Sep. 30, 2013 Extended Revolving Facility Maturing December 28, 2017 [Member] Revolving Credit Facility [Member]	Feb. 28, 2013 Extended Revolving Facility Maturing December 28, 2017 [Member] Revolving Credit Facility [Member]	Feb. 28, 2013 Extended Revolving Facility Maturing December 28, 2017 [Member] Revolving Credit Facility [Member] LIBOR [Member]	Feb. 28, 2013 Extended Revolving Facility Maturing December 28, 2017 [Member] Revolving Credit Facility [Member] Base Rate [Member]	Feb. 28, 2013 Non-Extended Portion of Revolving Facility [Member] Revolving Credit Facility [Member]	Feb. 28, 2013 Non-Extended Portion of Revolving Facility [Member] Revolving Credit Facility [Member] LIBOR [Member]	Feb. 28, 2013 Non-Extended Portion of Revolving Facility [Member] Revolving Credit Facility [Member] Base Rate [Member]	Dec. 31, 2013 7.375% Senior Notes Due 2020 [Member] Senior Notes [Member]	Dec. 31, 2012 7.375% Senior Notes Due 2020 [Member] Senior Notes [Member]	Sep. 28, 2012 7.375% Senior Notes Due 2020 [Member] Senior Notes [Member]	Sep. 28, 2012 7.375% Senior Notes Due 2020 [Member] Senior Notes [Member] Prior to October 15, 2015, up to 40% of aggregate principal amount [Member]	Sep. 28, 2012 7.375% Senior Notes Due 2020 [Member] Senior Notes [Member] Prior to October 13, 2015, up to 100% of aggregate principal amount [Member]	Dec. 31, 2013 7.375% Senior Notes Due 2020 [Member] Senior Notes [Member] Successor [Member]	Dec. 31, 2012 7.375% Senior Notes Due 2020 [Member] Senior Notes [Member] Successor [Member]	Dec. 31, 2013 7.375% Senior Notes Due 2020 [Member] Senior Notes [Member] Successor [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value Measurement [Member]	Dec. 31, 2012 7.375% Senior Notes Due 2020 [Member] Senior Notes [Member] Successor [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value Measurement [Member]	Dec. 31, 2013 7.375% Senior Notes Due 2020 [Member] Senior Notes [Member] Successor [Member] Fair Value, Measurements, Recurring [Member] Level 2 [Member]	Dec. 31, 2012 7.375% Senior Notes Due 2020 [Member] Senior Notes [Member] Successor [Member] Fair Value, Measurements, Recurring [Member] Level 2 [Member]
Debt Instrument [Line Items]
Debt term (years)														7 years							5 years
Debt, face amount														$ 1,055,000,000										$ 1,066,000,000														$ 490,000,000
Line of credit, maximum borrowing capacity																					150,000,000									127,500,000.0			22,500,000.0
Line of credit, accordion feature, additional borrowing capacity available								250,000,000
Senior secured term loan less cash and cash equivalents divided by consolidated EBITDA ratio							2.50				2.50	3.00	3.00
Excess cash flow required to be paid									25.00%	50.00%
Principal prepayment due in first quarter of 2014							10,802,000
Debt, variable rate floor																											1.00%	2.00%
Debt, basis spread on variable rate																											3.25%	2.25%			3.25%	2.25%		3.75%	2.75%
Debt Instrument, Call Option Premium Percentage																								1.00%
Payments for Debt Call Option Premium																									10,500,000
Write off of Deferred Debt Issuance Cost																										5,923,000
Write off of Debt Call Option Premium																										1,412,000
Line of Credit Facility, Amount Outstanding																													0
Debt interest rate (percent)																																				7.375%	7.375%	7.375%
Debt percentage of principal amount redeemed																																							40.00%
Debt redemption price percentage																																							107.375%	100.00%
Debt minimum amount of payment default causing default																																						40,000,000
Debt minimum amount of failure to pay final judgment causing default																																						40,000,000
Subsidiary guarantee, ownership percentage by parent	100.00%	100.00%
Interest expense			25,985,000	95,484,000	9,159,000	2,676,000
Debt, fair value																	1,063,255,000	1,052,363,000	1,063,255,000	1,052,363,000																							507,150,000	484,488,000	507,150,000	484,488,000
Long-term Debt	$ 1,545,340,000		$ 1,542,363,000	$ 1,545,340,000											$ 1,055,340,000	$ 1,052,363,000						$ 0	$ 0																		$ 490,000,000	$ 490,000,000