XML 64 R23.htm IDEA: XBRL DOCUMENT

Non-Cash Activities	3 Months Ended
Non-Cash Activities	Mar. 31, 2013
Nonmonetary Transactions [Abstract]
Non-Cash Activities	Non-Cash Activities We purchase capital equipment and incur costs relating to construction of facilities, including tenant finishing allowances. Expenditures included in construction trade payables as of March 31, 2013 and 2012 amounted to $7.7 million and $15.7 million, respectively.

The entire disclosure for exchanges with other entities that involve principally nonmonetary assets or liabilities or relate to a transfer of nonmonetary assets for which the entity receives no assets in return.

+ References+ Details