RESTATEMENT OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS - Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Cash Flows From Operating Activities
Net (loss) income	$ (304.0)	$ (51.6)	$ (676.9)	$ 46.9
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization, including impairments of finite-lived intangible assets			1,681.9	1,042.0
Amortization and write-off of debt discounts and debt issuance costs			56.6	103.2
In-process research and development impairments			14.5	12.3
Acquisition accounting adjustment on inventory sold			36.4	70.5
Acquisition-related contingent consideration			9.3	18.8
Allowances for losses on accounts receivable and inventories			52.5	26.8
Deferred income tax (benefit) expense			(164.6)	37.7
(Reductions) additions to accrued legal settlements			(32.7)	6.3
Payments of accrued legal settlements			(51.4)	(5.9)
Share-based compensation			97.2	60.9
Tax expense (benefit) from share-based compensation			1.4	(25.6)
Foreign exchange (gain) loss			(15.5)	65.6
Loss on extinguishment of debt	0.0	0.0	0.0	20.0
Payment of contingent consideration adjustments, including accretion			(7.9)	(12.1)
Other			(9.5)	(9.9)
Changes in operating assets and liabilities:
Trade receivables			(43.2)	(308.8)
Inventories			(145.1)	(139.3)
Prepaid expenses and other current assets			161.7	(163.5)
Accounts payable, accrued and other liabilities			34.1	55.7
Net cash provided by operating activities			1,006.2	901.6
Net cash used in investing activities			(62.1)	(13,885.7)
Net cash provided by financing activities			(692.3)	13,631.6
Effect of exchange rate changes on cash and cash equivalents			3.3	(12.1)
Net increase in cash and cash equivalents			255.1	635.4
Cash and cash equivalents, beginning of period			597.3	322.6	$ 322.6
Cash and cash equivalents, end of period	$ 852.4	958.0	852.4	958.0	597.3
Non-Cash Investing and Financing Activities
Acquisition of businesses, contingent and deferred consideration obligations at fair value (Restated)			0.0	(635.8)
Acquisition of businesses, debt assumed			$ 0.0	(3,123.1)
Deferred Income Taxes Payable
Non-Cash Investing and Financing Activities
Reclassification adjustment				(22.0)
Accounts Payable and Accrued Liabilities
Non-Cash Investing and Financing Activities
Reclassification adjustment				22.0
Revenue Recognition Correction
Cash Flows From Operating Activities
Net (loss) income				46.9
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization, including impairments of finite-lived intangible assets				1,042.0
Amortization and write-off of debt discounts and debt issuance costs				103.2
In-process research and development impairments				12.3
Acquisition accounting adjustment on inventory sold				70.5
Acquisition-related contingent consideration				18.8
Allowances for losses on accounts receivable and inventories				26.8
Deferred income tax (benefit) expense				37.7
(Reductions) additions to accrued legal settlements				6.3
Payments of accrued legal settlements				(5.9)
Share-based compensation				60.9
Tax expense (benefit) from share-based compensation				(25.6)
Foreign exchange (gain) loss				65.6
Loss on extinguishment of debt				20.0
Payment of contingent consideration adjustments, including accretion				(12.1)
Other				(9.9)
Changes in operating assets and liabilities:
Trade receivables				(308.8)
Inventories				(139.3)
Prepaid expenses and other current assets				(163.5)
Accounts payable, accrued and other liabilities				55.7
Net cash provided by operating activities				901.6
Net cash used in investing activities				(13,885.7)
Net cash provided by financing activities				13,631.6
Effect of exchange rate changes on cash and cash equivalents				(12.1)
Net increase in cash and cash equivalents				635.4
Cash and cash equivalents, beginning of period				322.6	322.6
Cash and cash equivalents, end of period		958.0		958.0
Non-Cash Investing and Financing Activities
Acquisition of businesses, contingent and deferred consideration obligations at fair value (Restated)				(635.8)
Acquisition of businesses, debt assumed				(3,123.1)
Revenue Recognition Correction | Amounts Recognized as of Acquisition Date (as previously reported)
Cash Flows From Operating Activities
Net (loss) income				22.9
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization, including impairments of finite-lived intangible assets				1,042.0
Amortization and write-off of debt discounts and debt issuance costs				103.2
In-process research and development impairments				12.3
Acquisition accounting adjustment on inventory sold				70.5
Acquisition-related contingent consideration				18.8
Allowances for losses on accounts receivable and inventories				26.8
Deferred income tax (benefit) expense				34.1
(Reductions) additions to accrued legal settlements				6.3
Payments of accrued legal settlements				(5.9)
Share-based compensation				60.9
Tax expense (benefit) from share-based compensation				(25.6)
Foreign exchange (gain) loss				65.6
Loss on extinguishment of debt				20.0
Payment of contingent consideration adjustments, including accretion				(12.1)
Other				(9.9)
Changes in operating assets and liabilities:
Trade receivables				(308.8)
Inventories				(86.8)
Prepaid expenses and other current assets				(163.5)
Accounts payable, accrued and other liabilities				30.8
Net cash provided by operating activities				901.6
Net cash used in investing activities				(13,885.7)
Net cash provided by financing activities				13,631.6
Effect of exchange rate changes on cash and cash equivalents				(12.1)
Net increase in cash and cash equivalents				635.4
Cash and cash equivalents, beginning of period				322.6	322.6
Cash and cash equivalents, end of period		958.0		958.0
Non-Cash Investing and Financing Activities
Acquisition of businesses, contingent and deferred consideration obligations at fair value (Restated)				(674.6)
Acquisition of businesses, debt assumed				(3,123.1)
Revenue Recognition Correction | Restatement Adjustment
Cash Flows From Operating Activities
Net (loss) income				24.0
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization, including impairments of finite-lived intangible assets				0.0
Amortization and write-off of debt discounts and debt issuance costs				0.0
In-process research and development impairments				0.0
Acquisition accounting adjustment on inventory sold				0.0
Acquisition-related contingent consideration				0.0
Allowances for losses on accounts receivable and inventories				0.0
Deferred income tax (benefit) expense				3.6
Payments of accrued legal settlements				0.0
Share-based compensation				0.0
Tax expense (benefit) from share-based compensation				0.0
Foreign exchange (gain) loss				0.0
Loss on extinguishment of debt				0.0
Payment of contingent consideration adjustments, including accretion				0.0
Other				0.0
Changes in operating assets and liabilities:
Trade receivables				0.0
Inventories				(52.5)
Prepaid expenses and other current assets				0.0
Accounts payable, accrued and other liabilities				24.9
Net cash provided by operating activities				0.0
Net cash used in investing activities				0.0
Net cash provided by financing activities				0.0
Effect of exchange rate changes on cash and cash equivalents				0.0
Net increase in cash and cash equivalents				0.0
Cash and cash equivalents, beginning of period				0.0	$ 0.0
Cash and cash equivalents, end of period		$ 0.0		0.0
Non-Cash Investing and Financing Activities
Acquisition of businesses, contingent and deferred consideration obligations at fair value (Restated)				38.8
Acquisition of businesses, debt assumed				$ 0.0