Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2012 Successor [Member]	Dec. 31, 2013 Successor [Member]	Sep. 28, 2012 Predecessor [Member]	Dec. 31, 2011 Predecessor [Member]
Cash flows from operating activities:
Net (loss) income	$ (32,545)	$ (105,871)	$ 21,175	$ (26,145)
Deduct (Loss) income from discontinued operations	(29)	0	(83)	20,155
(Loss) income from continuing operations	(32,516)	(105,871)	21,258	(46,300)
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes	(21,590)	(81,847)	12,103	(3,257)
Resolution of tax contingencies	0	0	(5,256)	(4,405)
Amortization of debt issuance costs	2,633	10,734	1,876	1,400
Depreciation and amortization	50,348	207,646	44,426	28,036
Cost of goods on acquired inventory step up	21,543	6,557	0	0
Intangible asset impairment	0	100,093	5,700	24,226
Allowances against accounts receivable	33,232	44,367	19,206	24,439
Share-based compensation expense	2,240	9,154	7,282	9,830
Gain on bargain purchase	(5,500)	0	0	0
Loss on debt extinguishment	0	7,335	0	0
Other, net	338	438	159	1,298
Changes in assets and liabilities:
Increase in accounts receivable	(42,421)	(64,554)	(7,168)	(39,588)
(Increase) decrease in inventories	(15,013)	(11,690)	15,838	(12,191)
Decrease (increase) in prepaid expenses and other assets	(22,770)	16,846	(21,315)	(2,854)
Increase (decrease) in accounts payable, accrued expenses and other liabilities, excluding DOJ payment	(23,351)	1,180	58,050	39,200
Payment to Department of Justice (DOJ)	0	(46,071)	0	0
Increase (decrease) in payables due to distribution agreement partners	10,537	12,597	(13,376)	43,264
Decrease in income taxes receivable/payable	13,710	6,130	14,977	1,880
Net cash provided by (used in) operating activities	(28,580)	113,044	153,760	64,978
Cash flows from investing activities:
Capital expenditures	(10,306)	(17,465)	(11,454)	(11,600)
Adjustment to purchase price of Anchen acquisition	0	0	3,786	0
Sky Growth Merger	(1,908,725)	0	0	0
Business acquisitions, net of any cash acquired	(110,000)	(1,733)	(34,868)	(412,753)
Purchases of intangibles	0	(1,000)	(15,000)	(34,450)
Purchases of available for sale marketable debt securities	0	0	(6,566)	(26,026)
Proceeds from available for sale of marketable debt securities	2,500	8,000	17,500	26,973
Net cash used in investing activities	(2,026,531)	(12,198)	(46,602)	(457,856)
Cash flows from financing activities:
Proceeds from debt	1,545,000	198,889	0	350,000
Proceeds from equity contributions, net	675,466	1,616	0	0
Payment of debt	(339,512)	(206,881)	(8,750)	(4,375)
Payments to extinguish debt	0	(1,412)	0	0
Debt issuance costs	(67,928)	0	0	(7,451)
Proceeds from share-based compensation plans	0	0	11,582	10,683
Excess tax benefits on share-based compensation	0	228	8,536	0
Purchase of treasury stock	0	0	(2,163)	(8,004)
Cash settlement of share-based compensation	0	0	0	(4,133)
Net cash (used in) provided by financing activities	1,813,026	(7,560)	9,205	336,720
Net increase (decrease) in cash and cash equivalents	(242,085)	93,286	116,363	(56,158)
Cash and cash equivalents at beginning of period	278,879	36,794	162,516	218,674
Cash and cash equivalents at end of period	36,794	130,080	278,879	162,516
Cash paid (received) during the period for:
Income taxes, net	(11,667)	14,902	6,165	(260)
Interest paid	13,969	86,187	6,615	1,361
Non-cash transactions:
Capital expenditures incurred but not yet paid	460	2,254	708	764
Equity contribution from management shareholders	$ 4,131	$ 0	$ 0	$ 0