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Basis of Presentation (Narrative) (Details)
$ / shares in Units, shares in Millions, $ in Millions
Jul. 13, 2016
$ / shares
shares
Jul. 01, 2017
USD ($)
Apr. 01, 2017
USD ($)
Jul. 12, 2016
shares
BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTable [Line Items]        
Common stock, par value (dollars per share) | $ / shares $ 0.01      
Shares outstanding pre-split (shares) 68.5      
Shares outstanding (shares) 8.5      
Shares authorized pre-split (shares) 120.0     100.0
Shares authorized (shares) 15.0      
Reverse stock split ratio 0.125      
Current deferred tax asset | $     $ 3.4  
Envelope [Member] | Land, buildings and improvements [Member]        
BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTable [Line Items]        
Assets held-for-sale | $   $ 2.2