|**Other Income, Net (Tables)**                     | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|-------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|**Other Income, Net [Abstract]**                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Components Of Other Income, Net                    | ($ in thousands)
				
				2013
				
				2012
				
				2011Gain on expiration/settlement of customer advances
				
				$
				3,345
				
				$
				7,798
				
				$
				7,605Litigation settlement proceeds
				
				
				-
				
				
				854
				
				
				1,495Split-dollar life insurance proceeds
				
				
				2,263
				
				
				-
				
				
				-All other, net
				
				
				(239)
				
				
				(1,531)
				
				
				35Total other income, net
				
				$
				5,369
				
				$
				7,121
				
				$
				9,135
|                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|($ in thousands)                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Gain on expiration/settlement of customer advances |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Litigation settlement proceeds                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Split-dollar life insurance proceeds               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|All other, net                                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Total other income, net                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

X- Details**Name:**
                    us-gaap_OtherIncomeAndExpensesAbstract**Namespace Prefix:**
                    us-gaap_**Data Type:**
                    xbrli:stringItemType**Balance Type:**
                    na**Period Type:**
                    duration X- DefinitionTabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.+ ReferencesNo definition available.+ Details**Name:**
                    us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock**Namespace Prefix:**
                    us-gaap_**Data Type:**
                    nonnum:textBlockItemType**Balance Type:**
                    na**Period Type:**
                    duration