Depreciation of Revenue Earning Equipment and Lease Charges (Tables)

12 Months Ended

Dec. 31, 2012

Depreciation of Revenue Earning Equipment and Lease Charges Disclosure [Abstract]

Depreciation of revenue earning equipment and lease charges

Depreciation of revenue earning equipment and lease charges includes the following (in millions of dollars):

	Years Ended December 31,
	2012			2011			2010
Depreciation of revenue earning equipment	$	2,165.2		$	1,921.8		$	1,747.0
Adjustment of depreciation upon disposal of revenue earning equipment	(96.8		)	(112.2		)	42.9
Rents paid for vehicles leased	79.8			96.1			78.2
Total	$	2,148.2		$	1,905.7		$	1,868.1