Annual report pursuant to Section 13 and 15(d)

Fair Value - Narrative (Details)

v3.10.0.1
Fair Value - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 29, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jul. 01, 2017
Apr. 01, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                      
Impairment Loss $ 0 $ 0 $ 0 $ 0 $ 16,237,000 $ 0 $ 0 $ 0 $ 0 $ 16,237,000 $ 0
Intangible asset impairment charge                 0 0 0
Recurring Basis | Level 3 | Other Assets                      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                      
Financial assets carried at fair value 0               0    
Recurring Basis | Level 3 | Other Liabilities                      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                      
Financial liabilities carried at fair value $ 0       $ 0       0 0  
Nonrecurring Basis | Level 3                      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                      
Impairment Loss                 0   0
Intangible asset impairment charge                 0 0 $ 0
Armstrong Areospace, Inc.                      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                      
Impairment Loss                 $ 16,200,000 $ 16,200,000