15. BUSINESS COMBINATIONS On March 4, 2011, the Company acquired all of the outstanding equity of a privately held company, which was then integrated into the Company s Oncology Systems business. This acquisition was accounted for as a business combination. The total purchase price of $8.0 million consisted of $7.5 million of cash consideration and $0.5 million of contingent consideration at fair value. Of the purchase price, $3.4 million was allocated to goodwill, $5.7 million to amortizable intangible assets, and $(1.1) million to net assumed liabilities. Goodwill represents the excess of the purchase price over the fair value of the net tangible and intangible assets acquired and in this case is not deductible for income tax purposes. On October 3, 2011, the Company acquired all of the outstanding equity of Calypso Medical Technologies, Inc. ( Calypso ), a privately held supplier of specialized products and software for real-time tumor tracking and motion management during radiosurgery and radiotherapy. This acquisition, which was integrated into the Company s Oncology Systems business, enables the Company to offer real-time, non-ionizing tumor tracking tools for enhancing the precision of cancer treatments. This acquisition was accounted for as a business combination. The total purchase price of $15.8 million consisted of $10.9 million of cash consideration and $4.9 million of contingent consideration at fair value. During the fourth quarter of fiscal year 2012, the Company adjusted the preliminary amounts allocated to deferred tax assets and liabilities in order to reflect additional information obtained since the acquisition date related to deferred tax positions that existed at the acquisition date. The opening balances have been adjusted to reflect an increase to deferred tax asset of $2.5 million and a decrease of goodwill of $2.5 million. As of September 28, 2012, the Company had finalized the allocation of the purchase price of Calypso. Of the purchase price, $7.9 million was allocated to amortizable i