Acquisitions	12 Months Ended
Dec. 31, 2012
Acquisitions [Abstract]
Acquisitions	6. Acquisitions We account for our acquisitions in accordance with ASC 805, Business Combinations, which requires allocation of the purchase price to tangible and identifiable intangible assets acquired and liabilities assumed based on the fair value at the date of purchase. All acquisition related costs are expensed as incurred and recorded in operating expenses. We include operations associated with acquisitions from the date of acquisition forward. In January 2011, we acquired certain assets from HumanConcepts, a provider of workforce decision support solutions. We acquired ownership of the OrgPlus desktop software product line ("OrgPlus"), targeted at small and medium-sized businesses, and its associated customer base, as well as a source code license for a SaaS based version. The OrgPlus software facilitates creation, management and communication of detailed organizational charts. The acquisition represents our continued business strategy to expand the sales opportunity of our human resources services as well as the solutions available to our current and prospective clients. We paid $10.8 million upon the closing of the transaction and paid an additional $1.2 million in 2012 based on the terms of the agreement. In June 2010, we acquired OneMind Connect, Inc. which conducted business under the name "ExpensAble," and provides expense report management solutions delivered as both a SaaS and as a desktop software product. The acquisition of ExpensAble extends the sales opportunity of our human resources services as well as the solutions available to our current and prospective clients. We paid $5.5 million upon the closing of the transaction and paid an additional $1.3 million in 2011 based on the terms of the agreement. In July 2010, we acquired certain assets from Galaxy Technologies, Inc. in an effort to expand the sales opportunity of our human resources services as well as the solutions available to our current and prospective clients. The primary assets acquired include time and attendance software solutions, which are delivered through a SaaS model and as a desktop software product, and the associated customer base. We paid $7.4 million upon the closing of the transaction and an additional $1.4 million in each of 2011 and 2012, respectively, based on the terms of the purchase agreement.

Acquisitions

12 Months Ended

Dec. 31, 2012

6. Acquisitions

We account for our acquisitions in accordance with ASC 805, Business Combinations, which requires allocation of the purchase price to tangible and identifiable intangible assets acquired and liabilities assumed based on the fair value at the date of purchase. All acquisition related costs are expensed as incurred and recorded in operating expenses. We include operations associated with acquisitions from the date of acquisition forward.

In January 2011, we acquired certain assets from HumanConcepts, a provider of workforce decision support solutions. We acquired ownership of the OrgPlus desktop software product line ("OrgPlus"), targeted at small and medium-sized businesses, and its associated customer base, as well as a source code license for a SaaS based version. The OrgPlus software facilitates creation, management and communication of detailed organizational charts. The acquisition represents our continued business strategy to expand the sales opportunity of our human resources services as well as the solutions available to our current and prospective clients. We paid $10.8 million upon the closing of the transaction and paid an additional $1.2 million in 2012 based on the terms of the agreement.

In June 2010, we acquired OneMind Connect, Inc. which conducted business under the name "ExpensAble," and provides expense report management solutions delivered as both a SaaS and as a desktop software product. The acquisition of ExpensAble extends the sales opportunity of our human resources services as well as the solutions available to our current and prospective clients. We paid $5.5 million upon the closing of the transaction and paid an additional $1.3 million in 2011 based on the terms of the agreement.

In July 2010, we acquired certain assets from Galaxy Technologies, Inc. in an effort to expand the sales opportunity of our human resources services as well as the solutions available to our current and prospective clients. The primary assets acquired include time and attendance software solutions, which are delivered through a SaaS model and as a desktop software product, and the associated customer base. We paid $7.4 million upon the closing of the transaction and an additional $1.4 million in each of 2011 and 2012, respectively, based on the terms of the purchase agreement.