Accumulated Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	$ (30.0)	$ (90.8)
Other comprehensive income before reclassifications [Abstract]
Pre-tax	(81.3)	42.9
Tax effect	4.1	(0.6)
Amounts reclassified from accumulated other comprehensive income to:
Revenues	2,117.7	1,804.3
Cost of sales	1,494.1	1,280.4
Selling and administrative expenses	314.1	271.4
Net current period other comprehensive income (loss)	(76.9)	46.9
Balance at end of period	(106.9)	(43.9)
Amounts reclassified from accumulated other comprehensive income to: [Member]
Amounts reclassified from accumulated other comprehensive income to:
Revenues	0	1.4
Cost of sales	(1.2)	3.7
Selling and administrative expenses	1.7	0.9
Tax effect	(0.2)	(1.4)
Accumulated Foreign Currency Translation Gain (Loss) [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	45.9
Other comprehensive income before reclassifications [Abstract]
Pre-tax	(68.9)
Tax effect	0
Amounts reclassified from accumulated other comprehensive income to:
Net current period other comprehensive income (loss)	(68.9)
Balance at end of period	(23.0)
Accumulated Foreign Currency Translation Gain (Loss) [Member] | Amounts reclassified from accumulated other comprehensive income to: [Member]
Amounts reclassified from accumulated other comprehensive income to:
Revenues	0
Cost of sales	0
Selling and administrative expenses	0
Tax effect	0
Prior Service Credits and Net Actuarial Losses [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	(86.6)
Other comprehensive income before reclassifications [Abstract]
Pre-tax	0
Tax effect	0
Amounts reclassified from accumulated other comprehensive income to:
Net current period other comprehensive income (loss)	1.1
Balance at end of period	(85.5)
Prior Service Credits and Net Actuarial Losses [Member] | Amounts reclassified from accumulated other comprehensive income to: [Member]
Amounts reclassified from accumulated other comprehensive income to:
Revenues	0
Cost of sales	0
Selling and administrative expenses	1.7
Tax effect	(0.6)
Accumulated Gain (Loss) on Cash Flow Hedge Derivatives [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	10.7
Other comprehensive income before reclassifications [Abstract]
Pre-tax	(12.4)
Tax effect	4.1
Amounts reclassified from accumulated other comprehensive income to:
Net current period other comprehensive income (loss)	(9.1)
Balance at end of period	1.6
Accumulated Gain (Loss) on Cash Flow Hedge Derivatives [Member] | Amounts reclassified from accumulated other comprehensive income to: [Member]
Amounts reclassified from accumulated other comprehensive income to:
Revenues	0
Cost of sales	(1.2)
Selling and administrative expenses	0
Tax effect	$ 0.4