Subsequent Event Acquisition (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2013 Business Acquisition, Mac Fasteners [Domain]	Dec. 31, 2012 Business Acquisition, Mac Fasteners [Domain]	Sep. 30, 2013 Business Acquisition, Mac Fasteners [Domain]
Subsequent Event [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired			$ 56,000,000	$ 84,600,000	$ 34,000,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High							6,000,000
Revenue, Net	$ 355,620,000	$ 335,870,000	$ 1,071,430,000	$ 971,870,000		$ 17,500,000