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Changes in Estimates Changes in Estimates (Tables)
 9 Months Ended
Sep. 26, 2019
Accounting Changes and Error Corrections [Abstract]  
Schedule of Change in Accounting Estimate [Table Text Block]
Changes in estimates are summarized below:

 
 
For the Three Months Ended
 
For the Nine Months Ended
Changes in Estimates
 
September 26, 2019

September 27, 2018
 
September 26, 2019

September 27, 2018
(Unfavorable) Favorable Cumulative Catch-up Adjustment by Segment
 
 
 
 
 
 
 
 
Fuselage
 
$
(14.4
)
 
$
(12.0
)
 
$
(2.0
)
 
$
(3.0
)
Propulsion
 
1.8

 
(2.4
)
 
(1.5
)
 
0.9

Wing
 
(0.4
)
 
1.4

 
1.7

 
0.9

Total (Unfavorable) Favorable Cumulative Catch-up Adjustment
 
$
(13.0
)
 
$
(13.0
)
 
$
(1.8
)
 
$
(1.2
)
 
 
 
 
 
 
 
 
 
Changes in Estimates on Loss Programs (Forward Loss) by Segment
 
 
 
 
 
 
 
 
Fuselage
 
$
(18.8
)
 
$
—

 
$
(13.8
)
 
$
(1.5
)
Propulsion
 
(4.0
)
 
(0.8
)
 
(3.1
)
 
—

Wing
 
(6.0
)
 
0.3

 
(4.9
)
 
(0.2
)
Total Changes in Estimates (Forward Loss) on Loss Programs
 
$
(28.8
)
 
$
(0.5
)
 
$
(21.8
)
 
$
(1.7
)
 
 
 
 
 
 
 
 
 
Total Change in Estimate
 
$
(41.8
)
 
$
(13.5
)
 
$
(23.6
)
 
$
(2.9
)
EPS Impact (diluted per share based upon statutory rates)
 
$
(0.31
)
 
$
(0.10
)
 
$
(0.18
)
 
$
(0.02
)