Other Intangibles (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Indefinite-Lived Intangible Assets

	March 31, 2015				December 31, 2014
	Historical Cost		Accumulated Amortization		Historical Cost		Accumulated Amortization
Customer lists	$	73,802	$	67,631	$	78,693	$	71,343
Trademarks	25,934		—		28,371		—
License agreements	1,201		1,201		1,290		1,290
Developed technology	7,707		6,010		8,297		6,340
Patents	6,025		5,791		6,102		5,804
Other	2,548		2,465		2,548		2,454
	$	117,217	$	83,098	$	125,301	$	87,231

Schedule of Finite-Lived Intangible Assets

	March 31, 2015				December 31, 2014
	Historical Cost		Accumulated Amortization		Historical Cost		Accumulated Amortization
Customer lists	$	73,802	$	67,631	$	78,693	$	71,343
Trademarks	25,934		—		28,371		—
License agreements	1,201		1,201		1,290		1,290
Developed technology	7,707		6,010		8,297		6,340
Patents	6,025		5,791		6,102		5,804
Other	2,548		2,465		2,548		2,454
	$	117,217	$	83,098	$	125,301	$	87,231