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Acquisitions and Divestitures
12 Months Ended
Dec. 31, 2017
Business Combinations [Abstract]  
Acquisitions and divestitures
ACQUISITIONS AND DIVESTITURES

All of the below acquisitions, with the exception of the generic Benzaclin™ product purchase, have been accounted for under the acquisition method of accounting based on our analysis of the acquired inputs and processes, and the related assets acquired and liabilities assumed were recorded at fair value as of the acquisition date.

Fair value estimates are based on a complex series of judgments about future events and rely heavily on estimates and assumptions. The judgments used to determine the estimated fair value assigned to each class of assets and liabilities assumed, as well as asset lives, can materially impact our results of operations.

The effects of all of the acquisitions described below were included in the Consolidated Financial Statements prospectively from the date of each acquisition. Unless otherwise indicated, acquisition costs incurred were immaterial and were recorded in Administration expense.

Acquisitions Completed During the Year Ended December 31, 2016

Generic Benzaclin Product

On August 2, 2016, we purchased the remaining 60.9% product rights to a generic Benzaclin™ product ("Generic Benzaclin™"), which we had developed and marketed in collaboration with Barr Laboratories, Inc. ("Barr"), a subsidiary of Teva Pharmaceuticals, for $62.0 million in cash. In September 2007, we entered into an initial development, marketing and commercialization agreement with Barr, in which Barr contributed to the product's development costs and we developed and marketed the product in the U.S. and Israel. Under this agreement, we paid Barr a percentage of net income from the product's sales in these territories, adjusted for Barr's contributions to the product's development costs. By purchasing the remaining product rights from Barr, we are now entitled to 100% of income from sales of the product. Operating results attributable to Generic Benzaclin™ are included within our RX segment. The intangible asset acquired is a distribution and license agreement with a nine-year useful life.

Tretinoin Product Portfolio

On January 22, 2016, we acquired a portfolio of generic dosage forms and strengths of Retin-A® (tretinoin), a topical prescription acne treatment, from Matawan Pharmaceuticals, LLC, for $416.4 million in cash ("Tretinoin Products"), which further expanded our standard topical products such as creams, lotions and gels, as well as inhalants and injections ("extended topicals") portfolio. We were the authorized generic distributor of these products from 2005 to 2013. Operating results attributable to the acquisition are included within our RX segment. The intangible assets acquired included generic product rights valued using the multi-period excess earnings method and assigned a 20-year useful life, and non-compete agreements valued using the lost income method and assigned a five-year useful life. The goodwill acquired is deductible for tax purposes.

Development-Stage Rx Products

In May 2015, we entered into an agreement with a clinical stage biotechnology company for two specialty pharmaceutical products in development ("Development-Stage Rx Products"). We paid $18.0 million for an option to acquire the two products, which was recorded in R&D expense. On March 1, 2016, to further invest in our specialty "prescription only" ("Rx") portfolio, we exercised the option for both products, which requires us to make contingent payments if we obtain regulatory approval and achieve certain sales milestones. We will also be obligated to make certain royalty payments over periods ranging from seven to ten years from the launch of each product. 

We accounted for the option exercise as a business acquisition within our RX segment, recording IPR&D and contingent consideration on the balance sheet. The IPR&D was valued using the multi-period excess earnings method and has an indefinite useful life until such time as the research is completed (at which time it will become a definite-lived intangible asset), or is determined to have no future use (at which time it would be impaired). The contingent consideration is an estimate of the future milestone payments and royalties based on probability-weighted outcomes, sensitivity analysis, and discount rates reflective of the risk involved. The amount of contingent consideration recognized was $24.9 million and was recorded in Other non-current liabilities. On December 20, 2017, we completed the sale of one of the Development-Stage Rx Products to an ophthalmic pharmaceutical company (see below for additional details on the divestiture).

Purchase Price Allocation of Acquisitions Completed During the Year Ended December 31, 2016     

The Tretinoin Products, Developed-Stage Rx Products, and four product acquisitions opening balance sheets are final. The below table indicates the purchase price allocations for acquisitions completed during the year ended December 31, 2016 (in millions):
 
Tretinoin Products
 
Development-Stage Rx Products
 
All Other(1)
Purchase price paid
$
416.4

 
$

 
$
17.1

Contingent consideration

 
24.9

 
26.2

Total purchase consideration
$
416.4

 
$
24.9

 
$
43.3

 
 
 
 
 
 
Assets acquired:
 
 
 
 
 
Cash and cash equivalents
$

 
$

 
$
3.8

Accounts receivable

 

 
4.9

Inventories
1.4

 

 
7.1

Prepaid expenses and other current assets

 

 
0.1

Property, plant and equipment, net

 

 
1.2

Goodwill
1.7

 

 

Definite-lived intangibles:
 
 
 
 
 
Distribution and license agreements, supply agreements
$

 
$

 
$
1.8

Developed product technology, formulations, and product rights
411.0

 

 
18.0

Customer relationships and distribution networks

 

 
8.2

Non-compete agreements
2.3

 

 

Indefinite-lived intangibles:
 
 
 
 
 
In-process research and development
$

 
$
24.9

 
$
4.9

Total intangible assets
$
413.3

 
$
24.9

 
$
32.9

Total assets
$
416.4

 
$
24.9

 
$
50.0

Liabilities assumed:
 
 
 
 
 
Accounts payable
$

 
$

 
$
2.8

Accrued liabilities

 

 
0.1

Long-term debt

 

 
3.3

Net deferred income tax liabilities

 

 
0.5

Total liabilities
$

 
$

 
$
6.7

Net assets acquired
$
416.4

 
$
24.9

 
$
43.3


(1)
Consists of four product acquisitions in our CHCA, CHCI and RX segments.

Acquisitions Completed During the Six Months Ended December 31, 2015

Entocort® 

On December 15, 2015, we completed our acquisition of Entocort® (budesonide) capsules, as well as the authorized generic capsules, for sale within the U.S., from AstraZeneca plc for $380.2 million in cash. Entocort® is a gastroenterology medicine for patients with mild to moderate Crohn's disease. The acquisition complemented our Rx portfolio. Operating results attributable to the acquisition are included within our RX segment. The intangible assets acquired included branded and authorized generic product rights with useful lives of 10 and 15 years, respectively, which were valued using the multi-period excess earnings method. During the year ended December 31, 2016, we recorded an impairment charge of $342.2 million (refer to Note 3).

Naturwohl Pharma GmbH

On September 15, 2015, we completed our acquisition of 100% of Naturwohl Pharma GmbH ("Naturwohl"), a Munich, Germany-based nutritional business known for its leading German dietary supplement brand, Yokebe®. The acquisition built on our CHCI segment's OTC product portfolio and European commercial infrastructure. The assets were purchased through an all-cash transaction valued at €133.5 million ($150.4 million). Operating results attributable to Naturwohl are included in the CHCI segment. The intangible assets acquired included a trademark with a 20-year useful life, customer relationships with a 15-year useful life, non-compete agreements with a three-year useful life, and a licensing agreement with a three-year useful life. We utilized the relief from royalty method for valuing the trademark, the multi-period excess earnings method for valuing the customer relationships, and the lost income method for valuing the non-compete agreements and the licensing agreement. The goodwill acquired is not deductible for tax purposes.

ScarAway® 
    
On August 28, 2015, we completed our acquisition of ScarAway®, a leading U.S. OTC scar management brand portfolio comprised of five products, from Enaltus, LLC, for $26.7 million in cash. This acquisition served as our entry into the niche branded OTC business in the U.S. Operating results attributable to ScarAway® are included in the CHCA segment. The intangible assets acquired included a trademark with a 25-year useful life, non-compete agreements with a four-year useful life, developed product technology with an eight-year useful life, and customer relationships with a 15-year useful life. We utilized the relief from royalty method for valuing the trademark and developed product technology, the multi-period excess earnings method for valuing the customer relationships, and the lost income method for valuing the non-compete agreements. The goodwill acquired is deductible for tax purposes.

GlaxoSmithKline Consumer Healthcare Product Portfolio
    
On August 28, 2015, we completed our acquisition of a portfolio of well-established OTC brands from GlaxoSmithKline Consumer Healthcare (“GSK Products”). This acquisition further leveraged our European market share and expanded our product offerings. The assets were purchased through an all-cash transaction valued at €200.0 million ($223.6 million). Operating results attributable to the acquired GSK Products are included primarily in the CHCI segment. The intangible assets acquired included trademarks with a 20-year useful life and customer relationships with a 15-year useful life. We utilized the relief from royalty method for valuing the trademarks and the multi-period excess earnings method for valuing the customer relationships. The goodwill acquired is deductible for tax purposes.

Purchase Price Allocation of Acquisitions Completed During the Six Months Ended December 31, 2015

The Entocort®, Naturwohl, ScarAway®, GSK Products, and eight product development acquisitions opening balance sheets are final.The below table indicates the purchase price allocations for acquisitions completed during the six months ended December 31, 2015 (in millions):

 
Entocort®
 
Naturwohl
 
ScarAway®
 
GSK Products
 
All Other(1)
Purchase price paid
$
380.2

 
$
150.4

 
$
26.7

 
$
223.6

 
$
15.3

Contingent consideration

 

 

 

 
13.9

Total purchase consideration
$
380.2

 
$
150.4

 
$
26.7

 
$
223.6

 
$
29.2

 
 
 
 
 
 
 
 
 
 
Assets acquired:
 
 
 
 
 
 
 
 
 
Cash and cash equivalents
$

 
$
4.6

 
$

 
$

 
$

Accounts receivable

 
3.3

 

 

 

Inventories
0.2

 
1.5

 
1.0

 

 

Goodwill

 
61.0

 
3.5

 
32.6

 

Definite-lived intangibles:
 
 
 
 
 
 
 
 
 
Distribution and license agreements, supply agreements
$

 
$
21.4

 
$

 
$

 
$

Developed product technology, formulations, and product rights
380.0

 

 
0.5

 

 

Customer relationships and distribution networks

 
25.9

 
9.8

 
61.5

 

Trademarks, trade names, and brands

 
64.2

 
11.4

 
129.5

 

Non-compete agreements

 
0.3

 
0.5

 

 

Indefinite-lived intangibles:
 
 
 
 
 
 
 
 
 
In-process research and development
$

 
$

 
$

 
$

 
$
29.2

Total intangible assets
$
380.0

 
$
111.8

 
$
22.2

 
$
191.0

 
$
29.2

Total assets
$
380.2

 
$
182.2

 
$
26.7

 
$
223.6

 
$
29.2

Liabilities assumed:
 
 
 
 
 
 
 
 
 
Accounts payable
$

 
$
2.8

 
$

 
$

 
$

Accrued liabilities

 
1.6

 

 

 

Net deferred income tax liabilities

 
27.4

 

 

 

Total liabilities
$

 
$
31.8

 
$

 
$

 
$

Net assets acquired
$
380.2

 
$
150.4

 
$
26.7

 
$
223.6

 
$
29.2



(1) 
Consists of eight product development acquisitions in our CHCA, CHCI and RX segments.

Acquisitions Completed During the Year Ended June 27, 2015

Gelcaps Exportadora de Mexico, S.A. de C.V.

On May 12, 2015, we completed our acquisition of 100% of Gelcaps Exportadora de Mexico, S.A. de C.V. ("Gelcaps"), the Mexican operations of Durham, North Carolina-based Patheon Inc., for $37.9 million in cash. The acquisition added softgel manufacturing technology to our supply chain capabilities and broadened our presence, product portfolio, and customer network in Mexico. Operating results attributable to Gelcaps are included in the CHCA segment. The intangible assets acquired included a trademark with a 25-year useful life and customer relationships with a 20-year useful life. We utilized the relief from royalty method for valuing the trademark and the multi-period excess earnings method for valuing the customer relationships.

Based on valuation estimates utilizing the comparative sales method, a step-up in the value of inventory of $0.6 million was recorded in the opening balance sheet, which was charged to cost of goods sold during the three months ended June 27, 2015. In addition, property, plant and equipment was written up by $0.9 million to its estimated fair market value based on a valuation method that included both the cost and market approaches. This additional step-up in value is being depreciated over the estimated remaining useful lives of the assets. The goodwill recorded is not deductible for tax purposes.

Omega Pharma Invest N.V.

On March 30, 2015, we completed our acquisition of Omega, a limited liability company incorporated under the laws of Belgium. Omega was a leading European OTC company and is providing us several key benefits, including advancing our growth strategy outside the U.S. by providing access across a larger global platform with critical mass in key European countries, establishing commercial infrastructure in the high barrier-to-entry European OTC marketplace, strengthening our product portfolio while enhancing scale and distribution, and expanding our international management presence.

We purchased 95.77% of the issued and outstanding share capital of Omega (685,348,257 shares) from Alychlo N.V. (“Alychlo”) and Holdco I BE N.V. (together with Alychlo, the “Sellers”), limited liability companies incorporated under the laws of Belgium, under the terms of the Share Purchase Agreement dated November 6, 2014 (the "Share Purchase Agreement"). Omega holds the remaining 30,243,983 shares as treasury shares.

The acquisition was a cash and stock transaction made up of the following consideration (in millions except per share data):
Perrigo ordinary shares issued
 
5.4

Perrigo per share price at transaction close on March 30, 2015
 
$
167.64

Total value of Perrigo ordinary shares issued
 
$
904.9

Cash consideration
 
2,078.3

Total consideration
 
$
2,983.2



The cash consideration shown in the above table was financed by a combination of debt and equity. We issued $1.6 billion of debt and issued 6.8 million ordinary shares, which raised $999.3 million, net of issuance costs (refer to Note 10).

The Sellers agreed to indemnify us for certain potential future losses. The Sellers’ indemnification and other obligations to us under the Share Purchase Agreement are secured by up to €120.9 million ($127.2 million as of December 31, 2017) in cash that has been escrowed and 1.08 million of our ordinary shares, which are both being held in escrow to secure such obligations. Under the terms of the Share Purchase Agreement, Alychlo and its affiliates are subject to a three-year non-compete in Europe, and the Sellers are subject to a two-year non-solicit, in each case subject to certain exceptions. The Share Purchase Agreement contains other customary representations, warranties, and covenants of the parties, thereto. On December 16, 2016, we commenced an arbitral claim against the Sellers in connection with the Sellers' obligations to us under the Share Purchase Agreement. The fact of the claim has been made public, but the proceedings otherwise remain confidential. The Sellers deny liability (refer to Note 16 for additional information).

The operating results attributable to Omega are included in the CHCI segment. We incurred general transaction costs (legal, banking and other professional fees), financing fees, and debt extinguishment charges in connection with the Omega acquisition. The amounts recorded were not allocated to a reporting segment. The table below details the acquisition costs, as well as losses on hedging activities associated with the acquisition purchase price, and where they were recorded (in millions):

 
Year Ended
Line item
June 27,
2015
Administration
$
29.7

Interest expense, net
23.7

Other expense, net
324.0

Loss on extinguishment of debt
9.6

Total acquisition-related costs
$
387.0



See Note 8 for further details on losses on the Omega-related hedging activities shown above in Other expense, net, and Note 10 for details on the loss on extinguishment of debt.

We acquired the following intangible assets: indefinite-lived brands, a definite-lived trade name with an eight-year useful life, definite-lived brands with a 22-year useful life, a distribution network with a 21-year useful life, and developed product technology with useful lives ranging from four to 13 years. We also recorded goodwill, which is not deductible for tax purposes and represents the value we assigned to the expected synergies described above, in our CHCI segment. We utilized the multi-period excess earnings method to value the indefinite-lived brands, the definite-lived brands, and distribution network. We utilized the relief from royalty method to value the developed product technology and definite-lived trade name. The weighted-average useful life of all intangible assets acquired is 20.6 years (refer to Note 3 for further detail on Goodwill and Other Intangible Assets).

Based on valuation estimates utilizing the comparative sales method, a step-up in the value of inventory of $15.1 million was recorded in the opening balance sheet and was charged to cost of goods sold during the three months ended June 27, 2015. In addition, property, plant and equipment were written up $41.5 million to their estimated fair market value based on a valuation method that included both the cost and market approaches. This additional step-up in value is being depreciated over the estimated remaining useful lives of the assets. Additionally, the fair value of the debt assumed on the date of acquisition exceeded par value by $101.9 million, which was recorded as part of the carrying value of the underlying debt and will be amortized as a reduction of interest expense over the remaining terms of the respective debt instruments (refer to Note 10 for more information on the debt we assumed from Omega and our subsequent payments on the debt).

Lumara Health, Inc.

On October 31, 2014, we acquired a portfolio of women's healthcare products from Lumara Health, Inc., ("Lumara") a privately-held, Chesterfield, Missouri-based specialty pharmaceutical company, for $83.0 million in cash. The acquisition of this portfolio further expanded our women's healthcare product offerings. Operating results attributable to the acquired Lumara products are included in the RX segment. The intangible assets acquired consisted of three product formulations with useful lives ranging from eight to 12 years. The assets were valued utilizing the multi-period excess earnings method.
Purchase Price Allocation of Acquisitions Completed During the Year Ended June 27, 2015
 
The Gelcaps, Omega, and Lumara opening balance sheets are final. Measurement period adjustments to the Gelcaps opening balance sheet were not material; there were no measurement period adjustments to the Lumara opening balance sheet. Measurement period adjustment made to the Omega opening balance sheet are shown below.
 
June 27,
2015
 
Measurement Period Adjustments
 
December 31,
2015
Accounts receivable
$
227.4

 
$
(4.5
)
 
$
222.9

Inventories
$
288.9

 
$
(11.9
)
 
$
277.0

Property, plant and equipment, net
$
121.2

 
$
9.6

 
$
130.8

Goodwill
$
1,269.6

 
$
419.1

 
$
1,688.7

Intangible assets:
 
 
 
 
 
Developed product technology, formulations, and product rights
$
36.9

 
$
(5.5
)
 
$
31.4

Customer relationships and distribution networks
1,342.7

 
(286.4
)
 
1,056.3

Definite-lived trademarks, trade names, and brands
282.0

 
5.5

 
287.5

Indefinite-lived trademarks, trade names, and brands
2,145.2

 
(141.4
)
 
2,003.8

Total intangible assets
$
3,806.8

 
$
(427.8
)
 
$
3,379.0

Accrued liabilities
$
50.0

 
$
(0.7
)
 
$
49.3

Net deferred income tax liabilities
$
771.1

 
$
14.4

 
$
785.5

Other non-current liabilities
$
88.9

 
$
(29.0
)
 
$
59.9



The measurement period changes in the Omega purchase accounting were due primarily to refinements in the underlying valuation assumptions for the intangible assets, including updates to the allocations of projected cash flows to the intangible assets and the related jurisdictional tax rates that were used in those projections, the accounting of intangible assets as definite-lived versus indefinite-lived assets, and finalization of the related deferred taxes. Valuation adjustments made during the measurement period resulted in a $10.2 million reduction of amortization expense (recorded primarily in Selling expense) for the six months ended December 31, 2015 that were related to the year ended June 27, 2015 (refer to Note 3 for further detail on Goodwill and Other Intangible Assets).


The below table indicates the purchase price allocation for acquisitions completed during the year ended June 27, 2015 (in millions):
 
Gelcaps
 
Omega
 
Lumara
Total purchase consideration
$
37.9

 
$
2,983.2

 
$
83.0

Assets acquired:
 
 
 
 
 
Cash and cash equivalents
$
4.6

 
$
14.7

 
$

Accounts receivable
7.3

 
222.9

 
2.9

Inventories
7.2

 
277.0

 
1.5

Prepaid expenses and other current assets
2.1

 
51.2

 
0.4

Property, plant and equipment, net
6.0

 
130.8

 
0.1

Goodwill
6.0

 
1,688.7

 

Definite-lived intangibles:
 
 
 
 
 
Developed product technology, formulations, and product rights
$

 
$
31.4

 
$
82.0

Customer relationships and distribution networks
6.6

 
1,056.3

 

Trademarks, trade names, and brands

 
287.5

 

Indefinite-lived intangibles:
 
 
 
 
 
Trademarks, trade names, and brands
4.4

 
2,003.8

 

Total intangible assets
$
11.0

 
$
3,379.0

 
$
82.0

Other non-current assets
0.4

 
2.4

 

Total assets
$
44.6

 
$
5,766.7

 
$
86.9

Liabilities assumed:
 
 
 
 
 
Accounts payable
$
3.3

 
$
225.0

 
$

Short-term debt

 
112.6

 

Accrued liabilities
1.6

 
49.3

 
3.9

Payroll and related taxes

 
51.3

 

Accrued customer programs

 
28.9

 

Long-term debt

 
1,471.0

 

Net deferred income tax liabilities
1.4

 
785.5

 

Other non-current liabilities
0.4

 
59.9

 

Total liabilities
$
6.7

 
$
2,783.5

 
$
3.9

Net assets acquired
$
37.9

 
$
2,983.2

 
$
83.0




Actual and Unaudited Pro Forma Impact of Acquisitions

Our Consolidated Financial Statements include operating results from the Tretinoin Products, Entocort®, Naturwohl, GSK Products, ScarAway®, Omega, Gelcaps, and Lumara® acquisitions as well as from three small product acquisitions, from the date of each acquisition through December 31, 2017. Net sales and operating income attributable to the Tretinoin Products and two small product acquisitions included in our financial statements for the year ended December 31, 2016 totaled $85.3 million and $45.1 million, respectively. Net sales and operating income attributable to the Entocort®, Naturwohl, ScarAway®, and GSK acquisitions included in our financial statements for the six months ended December 31, 2015 totaled $51.0 million and $20.6 million, respectively. Net sales and operating income attributable to the Omega, Gelcaps, and Lumara acquisitions included in our financial statements for the year ended June 27, 2015 totaled $418.2 million and $18.9 million, respectively.

The following unaudited pro forma information gives effect to the Tretinoin Products, Entocort®, Naturwohl, GSK Products, ScarAway®, Omega, Gelcaps, and Lumara acquisitions, as well as two small product acquisitions, as if the acquisitions had occurred on the first day of the year ended ended June 27, 2015 and had been included in our Results of Operations for all periods presented thereafter (in millions):

 
Year Ended
 
Six Months Ended
 
Year Ended
(Unaudited)
December 31, 2016
 
December 31,
2015
 
June 27,
2015
Net sales
$
5,288.6

 
$
2,748.8

 
$
5,682.5

Net income (loss)
$
(4,011.0
)
 
$
81.0

 
$
250.2



The historical consolidated financial information of Perrigo, and the Tretinoin Products, Entocort®, Naturwohl, GSK Products, and ScarAway®, Omega, Gelcaps, and Lumara® acquisitions and the two small product acquisitions, has been adjusted in the pro forma information to give effect to pro forma events that are (1) directly attributable to the transactions, (2) factually supportable and (3) expected to have a continuing impact on combined results. In order to reflect the occurrence of the acquisitions on the first day of the year ended June 27, 2015 as required, the unaudited pro forma results include adjustments to reflect the incremental amortization expense to be incurred based on the current values of each acquisition's identifiable intangible and tangible assets, along with the reclassification of acquisition-related costs from the period ended December 31, 2016 to the period ended June 27, 2015. The unaudited pro forma results do not reflect future events that have occurred or may occur after the acquisitions.

Divestitures Completed During the Year Ended December 31, 2017

On January 3, 2017, we sold certain ANDAs for $15.0 million to a third party, which was recorded as a gain in Other operating income on the Consolidated Statements of Operations in our RX segment.

On February 1, 2017, we completed the sale of the animal health pet treats plant fixed assets within our CHCA segment, which were previously classified as held-for sale. We received $7.7 million in proceeds, which resulted in an immaterial loss.

On April 6, 2017, we completed the sale of our India API business to Strides Shasun Limited. We received $22.2 million of proceeds, inclusive of an estimated working capital adjustment, which resulted in an immaterial gain recorded in our Other segment. Prior to closing the sale, we determined that the carrying value of the India API business exceeded its fair value less the cost to sell, resulting in an impairment charge of $35.3 million, which was recorded in Impairment charges on the Consolidated Statements of Operations for the year ended December 31, 2016.

On August 25, 2017, we completed the sale of our Russian business, which was previously classified as held-for-sale, to Alvogen Pharma LLC. The total sale price was €12.7 million ($15.1 million), inclusive of an estimated working capital adjustment, which resulted in an immaterial gain recorded in our CHCI segment. Prior to closing the sale, we determined that the carrying value of the Russian business exceeded its fair value less the cost to sell, resulting in an impairment charge of $3.7 million, which was recorded in Impairment charges on the Consolidated Statements of Operations for the three months ended July 1, 2017.

On November 21, 2017, we completed the sale of our Israel API business, which was previously classified as held-for-sale, to SK Capital for a sale price of $110.0 million, which resulted in an immaterial gain recorded in our Other segment in Other expense (Income), net on the Consolidated Statements of Operations.

As a result of the sale, we recognized a guarantee liability (refer to Note 6). Per the agreement, we will be reimbursed for tax receivables for tax years prior to closing and will need to reimburse SK Capital for the settlement of any uncertain tax liability positions for tax years prior to closing. In addition, after closing and going forward, the Israel API business, will be assessed by and liable to the Israel Tax Authority ("ITA") for any audit findings. We are no longer the primary obligor on the liabilities transferred to SK Capital on November 21, 2017, however, we have provided a guarantee on certain obligations that were recorded at a fair value of $13.8 million, with a maximum possible payout of $34.9 million.

On December 20, 2017, we completed the sale of one of the Development-Stage Rx Products to an ophthalmic pharmaceutical company. We will potentially receive the following consideration: (1) a milestone payment of $1.5 million after the buyer achieves net sales of $25.0 million in any given calendar year; (2) a milestone payment of $5.0 million after the buyer achieves $50.0 million in net sales in any given year; and (3) royalty payments of 2.5% of all net sales of the product from the date of the first commercial sales of the product and continuing until market entry of a generic equivalent of the product.

Divestitures Completed During the Year Ended December 31, 2016

On August 5, 2016, we completed the sale of our U.S. Vitamins, Minerals, and Supplements ("VMS") business within our CHCA segment to International Vitamins Corporation ("IVC") for $61.8 million inclusive of an estimated working capital adjustment. Prior to closing the sale, we determined that the carrying value of the VMS business exceeded its fair value less the cost to sell, resulting in an impairment charge of $6.2 million, which was recorded in Impairment charges on the Consolidated Statements of Operations for the year ended December 31, 2016.