Acquisitions and Dispositions

3 Months Ended

Mar. 31, 2015

Business Combinations [Abstract]

Acquisitions and Dispositions

Dispositions

Dispositions of buildings (see Note 11 for the number of buildings sold as well as for their classification between continuing and discontinued operations) and undeveloped land generated net cash proceeds of $109.9 million and $70.7 million during the three months endedMarch 31, 2015 and 2014, respectively.