Discontinued Operations and Assets Held for Sale (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenue		$ 3,567		$ 19,858
Income from operations before taxes		1,598		4,416
Gain on sale		26,029		27,322
Income before taxes		27,627		31,738
Tax provision		20,910		22,220
Income from discontinued operations	$ (739)	6,717	$ (582)	9,518
PBMS
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenue		0		0
Income from operations before taxes		580		334
Gain on sale		0		130
Income before taxes		580		464
Tax provision		217		196
Income from discontinued operations		363		268
IMS
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenue		0		0
Income from operations before taxes		0		308
Gain on sale		831		1,994
Income before taxes		831		2,302
Tax provision		321		850
Income from discontinued operations		510		1,452
Nordic furniture business
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenue		0		0
Income from operations before taxes		0		345
Gain on sale		0		0
Income before taxes		0		345
Tax provision		0		97
Income from discontinued operations		0		248
DIS
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenue		3,567		19,858
Income from operations before taxes		1,018		3,429
Gain on sale		25,198		25,198
Income before taxes		26,216		28,627
Tax provision		20,372		21,077
Income from discontinued operations		$ 5,844		$ 7,550

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of operating income or loss attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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