Other Current Liabilities (Tables)

3 Months Ended

Mar. 31, 2013

Payables And Accruals [Abstract]

Summary of Other Current Liabilities

	March 31, 2013		December 31, 2012
	(in millions)
Other current liabilities:
Salaries, wages and benefits	$	62.7	$	118.8
Accrued liabilities		484.9		440.2
Total other current liabilities	$	547.6	$	559.0