Organization and Summary of Significant Accounting Policies	9 Months Ended
Sep. 30, 2016
Accounting Policies [Abstract]
Organization and Summary of Significant Accounting Policies	Organization and Summary of Significant Accounting Policies Business Omnicell, Inc. was incorporated in California in 1992 under the name Omnicell Technologies, Inc. and reincorporated in Delaware in 2001 as Omnicell, Inc. Our major products are automated medication, supply control systems and medication adherence solutions which are sold in our principal market, which is the healthcare industry. Our market is primarily located in the United States and Europe. "Omnicell" "our", "us", "we" or the "Company" collectively refer to Omnicell, Inc. and its subsidiaries. Basis of presentation The accompanying unaudited Condensed Consolidated Financial Statements reflect, in the opinion of management, all adjustments, consisting of normal recurring adjustments and accruals, necessary to present fairly the financial position of the Company as of September 30, 2016 and December 31, 2015, the results of its operations, comprehensive income (loss) and cash flows for the three and nine months ended September 30, 2016 and September 30, 2015. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) have been condensed or omitted in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”). These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements and accompanying Notes included in the Company's annual report on Form 10-K for the year ended December 31, 2015 filed with the SEC on February 26, 2016. The Company's results of operations, comprehensive income (loss) and cash flows for the three and nine months ended September 30, 2016 are not necessarily indicative of results that may be expected for the year ending December 31, 2016, or for any future period. Principles of consolidation The Condensed Consolidated Financial Statements include the accounts of the Company and its subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation. On January 5, 2016, the Company completed the acquisition of all of the membership interests of Aesynt Holding Coöperatief U.A. ("Aesynt"). The significant accounting policies of Aesynt have been aligned to conform to such accounting policies of Omnicell, and the consolidated financial statements include the results of operations of Aesynt commencing as of the acquisition date. Certain prior year amounts for the provision for excess and obsolete inventories and provision for receivables allowance have been reclassified/combined with inventories and accounts receivable within net cash provided by operating activities in the Condensed Consolidated Statements of Cash Flows to conform to 2016 presentation. These changes are not material and do not impact previously disclosed net cash provided by operating activities, net cash used in investing activities, and net cash used by financing activities. Use of estimates The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the Company's Condensed Consolidated Financial Statements and accompanying Notes. Management bases its estimates on historical experience and various other assumptions believed to be reasonable. Although these estimates are based on management's best knowledge of current events and actions that may impact the Company in the future, actual results may be different from the estimates. The Company's critical accounting policies are those that affect its financial statements materially and involve difficult, subjective or complex judgments by management. Those policies are revenue recognition, share-based compensation, inventory valuation, accounts receivable and notes receivable (investment in sales-type leases), capitalized software development costs, valuation of goodwill and purchased intangibles and long-lived assets, fair value of assets acquired and liabilities assumed in business combinations, and accounting for income taxes. Segment reporting The Company's Chief Operating Decision Maker ("CODM") is its Chief Executive Officer. The CODM allocates resources and evaluates the performance of the Company's segments using information about its revenues, gross profit, and income from operations. Such evaluation excludes general corporate-level costs that are not specific to either of the reportable segments and are managed separately at the corporate level. Corporate-level costs include expenses related to executive management, finance and accounting, human resources, legal, training and development, and certain administrative expenses. The operating results of the acquired Aesynt business are included in the Company's Automation and Analytics reportable segment. Interest rate swap agreements During the second quarter of 2016, the Company entered into interest rate swap agreements. The interest rate swap agreements, at their inception, qualified for and were designated as cash flow hedging instruments. In accordance with the Derivatives and Hedging Topic of the Accounting Standards Codification ("ASC"), the Company records its interest rate swaps on its condensed consolidated balance sheet at fair value. The effective portion of changes in fair value are recorded in accumulated other comprehensive loss and are subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings. Any ineffective portion is recognized in earnings. Both at inception and on a quarterly basis, the Company performs an effectiveness test. For further information regarding these interest rate swap agreements, please refer to Note 4, "Derivative Financial Instruments" below. Recently adopted authoritative guidance In April 2015, the Financial Accounting Standards Board ("FASB") issued ASU 2015-05-Intangibles-Goodwill and Other-Internal-Use Software- Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement, which provides guidance on determining whether a cloud computing arrangement contains a software license. If a cloud computing arrangement includes a software license, then the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. The Company adopted ASU 2015-05 on a prospective basis beginning on January 1, 2016. The impact of ASU 2015-05 did not have a material impact on the Company's consolidated financial position or results of operations for the three and nine months ended September 30, 2016. In July 2015, the FASB issued ASU No. 2015-11, Simplifying the Measurement of Inventory. This ASU changes the measurement principle for inventory from the lower of cost or market to lower of cost and net realizable value. Net realizable value is the estimated selling prices in the ordinary course of business, less reasonably predictable costs of completion, disposal and transportation. It applies to entities that measure inventory using a method other than last-in, first-out (LIFO) and the retail inventory method (RIM). The guidance is effective for fiscal years beginning after December 15, 2016. The adoption of this accounting standard update did not have a material impact on the Company's consolidated financial position or results of operations for the three and nine months ended September 30, 2016. In September 2015, the FASB issued ASU No. 2015-16, Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments. This ASU requires adjustments to provisional amounts that are identified during the measurement period of a business combination to be recognized in the reporting period in which the adjustment amounts are determined. An acquirer is no longer required to revise comparative information for prior periods as if the accounting for the business combination had been completed as of the acquisition date. The provisions of ASU 2015-16 are effective for reporting periods beginning after December 15, 2015. The adoption of this accounting standard update did not have a material impact on the Company's consolidated financial position or results of operations for the three and nine months ended September 30, 2016. Recently issued authoritative guidance In March 2016, the FASB issued ASU No. 2016-09, Compensation—Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting. This ASU simplifies several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. The provision of ASU No. 2016-09 are effective for annual periods beginning after December 15, 2016, and interim periods within those annual periods. Early adoption is permitted for any entity in any interim or annual period. If an entity early adopts the amendments in an interim period, any adjustments are reflected as of the beginning of the fiscal year that includes that interim period. An entity that elects early adoption must adopt all of the amendments in the same period. The Company is currently in the process of evaluating the impact of the adoption of ASU 2016-09 on its consolidated financial statements. In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments. This ASU requires changes in the presentation of certain items including but not limited to debt prepayment or debt extinguishment costs; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies and distributions received from equity method investees. The new guidance will be effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years and should be applied prospectively. Early adoption is permitted as of the beginning of an interim or annual reporting period. The Company is currently evaluating the impact ASU 2016-15 will have on its consolidated financial statements. In October 2016, the FASB issued ASU No. 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other Than Inventory, which reduces the complexity in the accounting standards by allowing the recognition of current and deferred income taxes for an intra-entity asset transfer, other than inventory, when the transfer occurs. Historically, recognition of the income tax consequence was not recognized until the asset was sold to an outside party. This amendment should be applied on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. ASU 2016-16 is effective for annual periods beginning after December 15, 2017, including interim reporting periods within those annual reporting periods. Early adoption is permitted for all entities as of the beginning of an annual reporting period for which financial statements (interim or annual) have not been issued or made available for issuance. The Company is currently evaluating the impact ASU 2016-16 will have on its consolidated financial statements. There was no other recently issued and effective authoritative guidance that is expected to have a material impact on the Company's Condensed Consolidated Financial Statements through the reporting date.

Organization and Summary of Significant Accounting Policies

Business

Omnicell, Inc. was incorporated in California in 1992 under the name Omnicell Technologies, Inc. and reincorporated in Delaware in 2001 as Omnicell, Inc. Our major products are automated medication, supply control systems and medication adherence solutions which are sold in our principal market, which is the healthcare industry. Our market is primarily located in the United States and Europe. "Omnicell" "our", "us", "we" or the "Company" collectively refer to Omnicell, Inc. and its subsidiaries.

Basis of presentation

The accompanying unaudited Condensed Consolidated Financial Statements reflect, in the opinion of management, all adjustments, consisting of normal recurring adjustments and accruals, necessary to present fairly the financial position of the Company as of September 30, 2016 and December 31, 2015, the results of its operations, comprehensive income (loss) and cash flows for the three and nine months ended September 30, 2016 and September 30, 2015. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) have been condensed or omitted in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”). These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements and accompanying Notes included in the Company's annual report on Form 10-K for the year ended December 31, 2015 filed with the SEC on February 26, 2016. The Company's results of operations, comprehensive income (loss) and cash flows for the three and nine months ended September 30, 2016 are not necessarily indicative of results that may be expected for the year ending December 31, 2016, or for any future period.

Principles of consolidation

The Condensed Consolidated Financial Statements include the accounts of the Company and its subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation.

On January 5, 2016, the Company completed the acquisition of all of the membership interests of Aesynt Holding Coöperatief U.A. ("Aesynt"). The significant accounting policies of Aesynt have been aligned to conform to such accounting policies of Omnicell, and the consolidated financial statements include the results of operations of Aesynt commencing as of the acquisition date.

Certain prior year amounts for the provision for excess and obsolete inventories and provision for receivables allowance have been reclassified/combined with inventories and accounts receivable within net cash provided by operating activities in the Condensed Consolidated Statements of Cash Flows to conform to 2016 presentation. These changes are not material and do not impact previously disclosed net cash provided by operating activities, net cash used in investing activities, and net cash used by financing activities.

Use of estimates

The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the Company's Condensed Consolidated Financial Statements and accompanying Notes. Management bases its estimates on historical experience and various other assumptions believed to be reasonable. Although these estimates are based on management's best knowledge of current events and actions that may impact the Company in the future, actual results may be different from the estimates. The Company's critical accounting policies are those that affect its financial statements materially and involve difficult, subjective or complex judgments by management. Those policies are revenue recognition, share-based compensation, inventory valuation, accounts receivable and notes receivable (investment in sales-type leases), capitalized software development costs, valuation of goodwill and purchased intangibles and long-lived assets, fair value of assets acquired and liabilities assumed in business combinations, and accounting for income taxes.

Segment reporting

The Company's Chief Operating Decision Maker ("CODM") is its Chief Executive Officer. The CODM allocates resources and evaluates the performance of the Company's segments using information about its revenues, gross profit, and income from operations. Such evaluation excludes general corporate-level costs that are not specific to either of the reportable segments and are managed separately at the corporate level. Corporate-level costs include expenses related to executive management, finance and accounting, human resources, legal, training and development, and certain administrative expenses.

The operating results of the acquired Aesynt business are included in the Company's Automation and Analytics reportable segment.

Interest rate swap agreements

During the second quarter of 2016, the Company entered into interest rate swap agreements. The interest rate swap agreements, at their inception, qualified for and were designated as cash flow hedging instruments. In accordance with the Derivatives and Hedging Topic of the Accounting Standards Codification ("ASC"), the Company records its interest rate swaps on its condensed consolidated balance sheet at fair value. The effective portion of changes in fair value are recorded in accumulated other comprehensive loss and are subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings. Any ineffective portion is recognized in earnings. Both at inception and on a quarterly basis, the Company performs an effectiveness test. For further information regarding these interest rate swap agreements, please refer to Note 4, "Derivative Financial Instruments" below.

Recently adopted authoritative guidance

In April 2015, the Financial Accounting Standards Board ("FASB") issued ASU 2015-05-Intangibles-Goodwill and Other-Internal-Use Software- Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement, which provides guidance on determining whether a cloud computing arrangement contains a software license. If a cloud computing arrangement includes a software license, then the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. The Company adopted ASU 2015-05 on a prospective basis beginning on January 1, 2016. The impact of ASU 2015-05 did not have a material impact on the Company's consolidated financial position or results of operations for the three and nine months ended September 30, 2016.

In July 2015, the FASB issued ASU No. 2015-11, Simplifying the Measurement of Inventory. This ASU changes the measurement principle for inventory from the lower of cost or market to lower of cost and net realizable value. Net realizable value is the estimated selling prices in the ordinary course of business, less reasonably predictable costs of completion, disposal and transportation. It applies to entities that measure inventory using a method other than last-in, first-out (LIFO) and the retail inventory method (RIM). The guidance is effective for fiscal years beginning after December 15, 2016. The adoption of this accounting standard update did not have a material impact on the Company's consolidated financial position or results of operations for the three and nine months ended September 30, 2016.

In September 2015, the FASB issued ASU No. 2015-16, Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments. This ASU requires adjustments to provisional amounts that are identified during the measurement period of a business combination to be recognized in the reporting period in which the adjustment amounts are determined. An acquirer is no longer required to revise comparative information for prior periods as if the accounting for the business combination had been completed as of the acquisition date. The provisions of ASU 2015-16 are effective for reporting periods beginning after December 15, 2015. The adoption of this accounting standard update did not have a material impact on the Company's consolidated financial position or results of operations for the three and nine months ended September 30, 2016.

Recently issued authoritative guidance

In March 2016, the FASB issued ASU No. 2016-09, Compensation—Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting. This ASU simplifies several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. The provision of ASU No. 2016-09 are effective for annual periods beginning after December 15, 2016, and interim periods within those annual periods. Early adoption is permitted for any entity in any interim or annual period. If an entity early adopts the amendments in an interim period, any adjustments are reflected as of the beginning of the fiscal year that includes that interim period. An entity that elects early adoption must adopt all of the amendments in the same period. The Company is currently in the process of evaluating the impact of the adoption of ASU 2016-09 on its consolidated financial statements.

In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments. This ASU requires changes in the presentation of certain items including but not limited to debt prepayment or debt extinguishment costs; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies and distributions received from equity method investees. The new guidance will be effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years and should be applied prospectively. Early adoption is permitted as of the beginning of an interim or annual reporting period. The Company is currently evaluating the impact ASU 2016-15 will have on its consolidated financial statements.

In October 2016, the FASB issued ASU No. 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other Than Inventory, which reduces the complexity in the accounting standards by allowing the recognition of current and deferred income taxes for an intra-entity asset transfer, other than inventory, when the transfer occurs. Historically, recognition of the income tax consequence was not recognized until the asset was sold to an outside party. This amendment should be applied on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. ASU 2016-16 is effective for annual periods beginning after December 15, 2017, including interim reporting periods within those annual reporting periods. Early adoption is permitted for all entities as of the beginning of an annual reporting period for which financial statements (interim or annual) have not been issued or made available for issuance. The Company is currently evaluating the impact ASU 2016-16 will have on its consolidated financial statements.

There was no other recently issued and effective authoritative guidance that is expected to have a material impact on the Company's Condensed Consolidated Financial Statements through the reporting date.