Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
	Aug. 19, 2011	May 31, 2012	May 31, 2014	May 31, 2013
OPERATING ACTIVITIES:
Net loss	$ (6,374)	$ (49,647)	$ (182,257)	$ (39,142)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization			71,287	71,746
Noncash interest expense			8,761	7,471
Inventory fair value adjustment			2,889	1,745
Loss on disposition and retirement of fixed assets			93	1,306
Loss on extinguishment of debt				9,111
Asset impairment loss			160,150	3,500
(Recoveries) provision for doubtful accounts			(1,666)	203
Share-based compensation expense			1,512	1,423
Deferred income taxes	(3,976)	(36,423)	(21,059)	(28,573)
Change in fair value of contingent consideration			(4,638)	104
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable, trade			2,154	7,665
Income taxes			(179)	1,976
Inventories			(15,589)	(9,774)
Other assets			(1,301)	105
Accounts payable			1,700	(305)
Deferred revenue			413	(651)
Accrued expenses and other liabilities			3,331	(3,376)
Cash provided by (used in) operating activities			25,601	24,534
INVESTING ACTIVITIES:
Purchases of property and equipment			(9,193)	(9,639)
Receipt from acquisition of business related to finalizing certain working capital adjustments			1,151
Acquisitions of businesses, net of cash acquired			(17,151)	(84,762)
Cash used in investing activities			(25,193)	(94,401)
FINANCING ACTIVITIES:
Proceeds from long-term debt				338,076
Proceeds from capital contributions, net of costs				42,500
Payment of debt issuance costs				(11,412)
Repayments of long-term debt			(6,674)	(288,332)
Proceeds from Revolving Credit Facility				49,000
Repayments of Revolving Credit Facility				(49,000)
Cash (used in) provided by financing activities			(6,674)	80,832
EFFECT OF EXCHANGE RATES ON CASH AND CASH EQUIVALENTS			499	(155)
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS			(5,767)	10,810
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD			29,388	18,578
CASH AND CASH EQUIVALENTS AT END OF PERIOD		18,578	23,621	29,388
SUPPLEMENTAL INFORMATION:
Income taxes paid, net of refunds			5,423	4,161
Interest paid			79,762	85,033
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Movement from inventory to property and equipment of instruments placed on rental agreements			10,383	12,037
Tax benefit from tax deductions contributed by IVD Holdings Inc.				726
Successor [Member]
OPERATING ACTIVITIES:
Net loss		(49,647)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization		54,745
Noncash interest expense		5,656
Inventory fair value adjustment		24,439
Loss on disposition and retirement of fixed assets		417
(Recoveries) provision for doubtful accounts		612
Share-based compensation expense		753
Deferred income taxes		(36,423)
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable, trade		(5,347)
Income taxes		(414)
Inventories		(12,220)
Other assets		(2,469)
Accounts payable		5,601
Deferred revenue		(910)
Accrued expenses and other liabilities		5,614
Cash provided by (used in) operating activities		(9,593)	25,601	24,534
INVESTING ACTIVITIES:
Purchases of property and equipment		(5,964)
Acquisition of Immucor, Inc., net of cash acquired		(1,939,387)
Purchase of licensing agreement		(99)
Cash used in investing activities		(1,945,450)	(25,193)	(94,401)
FINANCING ACTIVITIES:
Proceeds from long-term debt		991,406
Proceeds from capital contributions, net of costs		706,233
Payment of debt issuance costs		(42,474)
Repayments of long-term debt		(3,075)
Proceeds from Revolving Credit Facility		11,000
Repayments of Revolving Credit Facility		(11,000)
Cash (used in) provided by financing activities		1,652,090	(6,674)	80,832
EFFECT OF EXCHANGE RATES ON CASH AND CASH EQUIVALENTS		(1,432)	499	(155)
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS		(304,385)	(5,767)	10,810
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD		322,963	29,388	18,578
CASH AND CASH EQUIVALENTS AT END OF PERIOD		18,578	23,621	29,388
SUPPLEMENTAL INFORMATION:
Income taxes paid, net of refunds		8,918
Interest paid		50,366
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Movement from inventory to property and equipment of instruments placed on rental agreements		12,392
Predecessor [Member]
OPERATING ACTIVITIES:
Net loss	(6,374)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	4,321
Loss on disposition and retirement of fixed assets	135
(Recoveries) provision for doubtful accounts	185
Share-based compensation expense	16,233
Deferred income taxes	(3,976)
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable, trade	(3,938)
Income taxes	3,317
Inventories	(3,242)
Other assets	6,459
Accounts payable	(4,023)
Deferred revenue	(920)
Accrued expenses and other liabilities	17,411
Cash provided by (used in) operating activities	25,588
INVESTING ACTIVITIES:
Purchases of property and equipment	(2,265)
Cash used in investing activities	(2,265)
FINANCING ACTIVITIES:
Repurchase of common stock	(458)
Proceeds from exercise of stock options	524
Cash (used in) provided by financing activities	66
EFFECT OF EXCHANGE RATES ON CASH AND CASH EQUIVALENTS	(3,029)
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	20,360
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	302,603
CASH AND CASH EQUIVALENTS AT END OF PERIOD	322,963
SUPPLEMENTAL INFORMATION:
Income taxes paid, net of refunds	3,414
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Movement from inventory to property and equipment of instruments placed on rental agreements	1,618
August 2012 [Member]
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Exchange of Debt Instruments Due to Debt Amendment				468,241
February 2013 [Member]
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Exchange of Debt Instruments Due to Debt Amendment				$ 467,406