Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Schedule of the Company's obligations and other indebtedness

The Company is obligated under notes and other indebtedness as follows (in millions):

	December 31,
	2013		2012
Accounts receivable securitization program	$	150.0	$	135.0
Secured promissory notes	7.8		14.5
Real estate credit agreement	—		101.7
Term loan credit facility	125.0		125.0
Convertible senior debentures	—		90.1
Revolving credit facilities	10.4		31.1
Senior notes	370.0		370.0
Related party credit agreements	5.8		114.9
Other indebtedness	14.0		29.3
	683.0		1,011.6
Less current portion of debt	283.6		519.4
Long-term debt	$	399.4	$	492.2

Schedule of future principal payments of indebtedness

Future principal payments of indebtedness at December 31, 2013 are as follows (in millions):

2014	$	283.6
2015	57.7
2016	6.4
2017	106.2
2018	69.1
Thereafter	160.0
Total	$	683.0

Schedule of carrying and fair value of the Series C convertible debentures and Senior Notes

As of December 31, 2013, the carrying and fair value of the Senior Notes were as follows (in millions):

	Carrying Value		Estimated Fair Value
Senior notes—Series A	$	40.0	$	40.6
Senior notes—Series B	105.0		110.0
Senior notes—Series C	65.0		68.3
Senior notes—Series D	160.0		168.1
Total	$	370.0	$	387.0