Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Fair Value Measurements, Nonrecurring

The following table summarizes the Company's assets measured at fair value on a non-recurring basis relating to an intangible assets impairment charge recognized during 2016 primarily related to the customer lists, developed technology and trademarks acquired in the 2014 acquisition of PECO and FGC in the APC technology segment, as more fully described in Note 1.

	Level 1		Level 2		Level 3		Impairment Losses			Fair Value at December 31, 2016
Other intangible assets, net	$	—	$	—	$	5,525	$	(2,074	)	$	3,451
	$	—	$	—	$	5,525	$	(2,074	)	$	3,451

The following table summarizes the Company's assets measured at fair value on a non-recurring basis relating to an intangible assets impairment charge recognized during 2015 primarily related to the customer lists acquired in the 2014 acquisition of PECO and FGC in the APC technology segment, as more fully described in Note 1.

	Level 1		Level 2		Level 3		Impairment Losses			Fair Value at December 31, 2015
Other intangible assets, net	$	—	$	—	$	8,569	$	(1,425	)	$	7,144
	$	—	$	—	$	8,569	$	(1,425	)	$	7,144

The following table summarizes the Company's assets measured at fair value on a non-recurring basis relating to a goodwill impairment charge recognized during 2014 for the full carrying value of goodwill in the APC technology segment, as more fully described in Note 1.

	Level 1		Level 2		Level 3		Impairment Losses			Fair Value at December 31, 2014
Goodwill	$	—	$	—	$	23,400	$	(23,400	)	$	—
	$	—	$	—	$	23,400	$	(23,400	)	$	—