Subsequent Event (Details) (Barnes Distribution North America [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended	1 Months Ended
	Feb. 22, 2013	Mar. 31, 2013	Apr. 30, 2013 Subsequent Event [Member]	Apr. 22, 2013 Subsequent Event [Member]
Subsequent Event [Line Items]
Proceeds from divestiture of businesses	$ 550,000	$ 550,000
Estimated After-Tax Proceeds from Divestiture of Business				400,000
Estimated Gain on Divesiture of Business				200,000
Repayments of Lines of Credit			$ 480,000