Realignment Actions Realignment Actions (Notes)	6 Months Ended
Jun. 30, 2020
Realignment Actions [Abstract]
Restructuring, Impairment, and Other Activities Disclosure [Text Block]	Realignment ActionsIn the three months ended June 30, 2020, the Company executed certain realignment actions, primarily in its Aerospace and Specialty Products segments, in response to reductions in current and expected future end market demand. The Company recorded a non-cash charge of approximately $13.2 million related to inventory reductions, primarily as a result of a strategic decision in its Arrow Engine division to narrow its product line focus. The Company also recorded a non-cash charge of approximately $2.2 million related to certain production equipment removed from service given reduced demand levels. In addition, the Company reduced its employment levels given lower customer demand during second quarter 2020, incurring approximately $3.1 million in severance charges, of which approximately $1.9 million was paid by June 30, 2020. For the three months ended June 30, 2020, approximately $16.0 million and $2.5 million of these charges were included in cost of sales and selling, general and administrative expenses, respectively, in the accompanying consolidated statement of operations.

Realignment Actions Realignment Actions (Notes)

6 Months Ended

Jun. 30, 2020

Restructuring, Impairment, and Other Activities Disclosure [Text Block]

Realignment ActionsIn the three months ended June 30, 2020, the Company executed certain realignment actions, primarily in its Aerospace and Specialty Products segments, in response to reductions in current and expected future end market demand. The Company recorded a non-cash charge of approximately $13.2 million related to inventory reductions, primarily as a result of a strategic decision in its Arrow Engine division to narrow its product line focus. The Company also recorded a non-cash charge of approximately $2.2 million related to certain production equipment removed from service given reduced demand levels. In addition, the Company reduced its employment levels given lower customer demand during second quarter 2020, incurring approximately $3.1 million in severance charges, of which approximately $1.9 million was paid by June 30, 2020. For the three months ended June 30, 2020, approximately $16.0 million and $2.5 million of these charges were included in cost of sales and selling, general and administrative expenses, respectively, in the accompanying consolidated statement of operations.