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Shareholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2018
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Loss
The following table summarizes the significant components of accumulated other comprehensive loss:
 
Three Months Ended March 31,
 
2018
 
2017
Unrealized gain on cash flow hedges
 
 
 
Beginning balance
$
16

 
$
17

Change in value of cash flow hedges, net of tax
1

 
(4
)
Ending balance
17

 
13

Defined benefit plans
 
 
 
Beginning balance
1

 
(20
)
Unrealized loss on subsidiary pension, net of tax
—

 
—

Ending balance
1

 
(20
)
Foreign currency translation adjustment
 
 
 
Beginning balance
(785
)
 
(1,235
)
Translation gain, net of tax
59

 
94

Ending balance
(726
)
 
(1,141
)
Total accumulated other comprehensive loss
$
(708
)
 
$
(1,148
)