Supplemental Disclosure of Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2013

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Supplemental Disclosure of Cash Flow Information (in millions):

	For the Six Months Ended June 30,
	2013		2012
Cash paid during the period for:
Interest (net of amount capitalized)	$	71.7	$	85.2