Business, Basis of Presentation and Significant Accounting Policies (Narrative) (Details)	12 Months Ended
	Dec. 31, 2015 USD ($) segment	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Business, Basis Of Presentation And Significant Accounting Policies [Line Items]
Number of reportable segments | segment	5
Book overdrafts	$ 36,000,000	$ 31,300,000
Inventory obsolescence reserves	2,800,000	6,400,000
Deferred financing costs incurred, debt instruments	2,400,000	2,600,000	$ 9,600,000
Provision for U.S. income taxes on unremitted foreign earnings	0
Uninsured Risk [Member] | Workers' Compensation Policy [Member]
Business, Basis Of Presentation And Significant Accounting Policies [Line Items]
Per claim deductible, insurance policies	1,500,000
Uninsured Risk [Member] | General Liability Policy [Member]
Business, Basis Of Presentation And Significant Accounting Policies [Line Items]
Per claim deductible, insurance policies	2,000,000
Uninsured Risk [Member] | Property Insurance Policy [Member] | Automobiles [Member]
Business, Basis Of Presentation And Significant Accounting Policies [Line Items]
Per claim deductible, insurance policies	3,000,000
Uninsured Risk [Member] | Umbrella Policy [Member]
Business, Basis Of Presentation And Significant Accounting Policies [Line Items]
Maximum annual coverage limit, per claim	100,000,000
Maximum annual coverage limit, in aggregate	100,000,000
Uninsured Risk [Member] | Employee Group Medical Claims Policy [Member]
Business, Basis Of Presentation And Significant Accounting Policies [Line Items]
Loss contingency, maximum loss per employee	500,000
Other Assets [Member]
Business, Basis Of Presentation And Significant Accounting Policies [Line Items]
Deferred financing costs, net of accumulated amortization, debt instruments	$ 12,800,000	$ 13,200,000