Segment and Geographic Information- Income Before Income Taxes (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Segment Reporting, Reconciling Item for Operating Earnings from Segment to Consolidated [Line Items] |
|
|
|
| Net corporate interest expense |
$ (8,383)
|
$ (6,031)
|
$ (6,423)
|
| Amortization of customer-relationship intangible assets |
(10,410)
|
(7,084)
|
(7,127)
|
| Goodwill impairment charges |
(49,314)
|
0
|
0
|
| Restructuring and special charges |
(34,395)
|
0
|
0
|
| Income before income taxes |
(31,773)
|
59,888
|
81,102
|
| Operating segments |
|
|
|
| Segment Reporting, Reconciling Item for Operating Earnings from Segment to Consolidated [Line Items] |
|
|
|
| Operating earnings of all reportable segments |
87,025
|
81,701
|
105,687
|
| Corporate |
|
|
|
| Segment Reporting, Reconciling Item for Operating Earnings from Segment to Consolidated [Line Items] |
|
|
|
| Unallocated corporate and shared costs and credits |
(16,605)
|
(8,582)
|
(10,829)
|
| Net corporate interest expense |
(8,383)
|
(6,031)
|
(6,423)
|
| Stock option expense |
(433)
|
(859)
|
(948)
|
| Goodwill impairment charges |
(49,314)
|
0
|
0
|
| Restructuring and special charges |
(34,395)
|
0
|
0
|
| Corporate | Customer relationships and trade names |
|
|
|
| Segment Reporting, Reconciling Item for Operating Earnings from Segment to Consolidated [Line Items] |
|
|
|
| Amortization of customer-relationship intangible assets |
$ (9,668)
|
$ (6,341)
|
$ (6,385)
|