Supplemental Balance Sheet Data (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Changes in accumulated other comprehensive income
AOCI, Balance at the beginning of the period			$ (49.8)
Other comprehensive income before reclassifications			11.3
Amounts reclassified from AOCI			5.1
Income from other comprehensive income items	8.8	7.4	16.4	7.9
Provision for income taxes	0.6	0.4	4.4	3.3
Other comprehensive income (loss)	8.2	7.0	12.0	4.6
AOCI, Balance at the end of the period	(37.8)		(37.8)
SERP settlement charge			0.2	3.5
Tax benefit	(2.4)	(3.8)	(16.6)	(13.3)
Amount Reclassified from Accumulated Other Comprehensive Income
Changes in accumulated other comprehensive income
Cost of products sold and selling, general and administrative expenses	1.6		4.9
SERP settlement charge			0.2
Tax benefit	0.7		2.0
Unrealized foreign currency translation gain
Changes in accumulated other comprehensive income
AOCI, Balance at the beginning of the period			9.2
Other comprehensive income before reclassifications			4.8
Income from other comprehensive income items			4.8
Other comprehensive income (loss)			4.8
AOCI, Balance at the end of the period	14.0		14.0
Net gain (loss) from pension and other postretirement liabilities
Changes in accumulated other comprehensive income
AOCI, Balance at the beginning of the period			(59.1)
Other comprehensive income before reclassifications			6.6
Amounts reclassified from AOCI			5.1
Income from other comprehensive income items			11.7
Provision for income taxes			4.4
Other comprehensive income (loss)			7.3
AOCI, Balance at the end of the period	(51.8)		(51.8)
Unrealized gain (loss) on "available-for-sale" securities
Changes in accumulated other comprehensive income
AOCI, Balance at the beginning of the period			0.1
Other comprehensive income before reclassifications			(0.1)
Income from other comprehensive income items			(0.1)
Other comprehensive income (loss)			$ (0.1)