Inventories - Schedule of Inventory Write-offs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Sep. 28, 2012
Successor [Member]
Inventories [Line Items]
Inventory write-offs	$ 2,567	$ 12,941	$ 18,299
Successor [Member] | Pre-Launch Inventories [Member]
Inventories [Line Items]
Inventory write-offs	1,730	4,733	2,310
Predecessor [Member]
Inventories [Line Items]
Inventory write-offs				17,209
Predecessor [Member] | Pre-Launch Inventories [Member]
Inventories [Line Items]
Inventory write-offs				$ 10,208