Segment Information (Details) $ in Thousands	3 Months Ended
Jul. 02, 2016 USD ($) segment	Jun. 27, 2015 USD ($)	Mar. 31, 2016 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments \| segment	4
Revenues	$ 218,480	$ 229,214
Gross profit	67,653	69,651
Operating income (loss)	2,720	4,152
Depreciation	2,245	2,002
Intangibles amortization	2,451	2,613
Restructuring expense	(66)	503
Capital expenditures	2,072	1,917
Assets	464,230	677,035	$ 475,794
North America Products
Segment Reporting Information [Line Items]
Restructuring expense	43	12
North America Services
Segment Reporting Information [Line Items]
Restructuring expense	(204)	380
International Products
Segment Reporting Information [Line Items]
Restructuring expense	75	74
International Services
Segment Reporting Information [Line Items]
Restructuring expense	20	37
Operating Segments [Member] \| North America Products
Segment Reporting Information [Line Items]
Revenues	19,085	20,825
Gross profit	8,934	8,879
Operating income (loss)	894	988
Depreciation	405	354
Intangibles amortization	0	0
Restructuring expense	43
Capital expenditures	1,275	400
Assets	54,979	104,121
Operating Segments [Member] \| North America Services
Segment Reporting Information [Line Items]
Revenues	171,735	182,018
Gross profit	49,143	51,116
Operating income (loss)	1,147	2,354
Depreciation	1,615	1,442
Intangibles amortization	2,334	2,613
Restructuring expense	(204)
Capital expenditures	688	1,377
Assets	357,376	505,599
Operating Segments [Member] \| International Products
Segment Reporting Information [Line Items]
Revenues	20,796	19,671
Gross profit	8,014	7,945
Operating income (loss)	380	319
Depreciation	182	160
Intangibles amortization	117	0
Restructuring expense	75
Capital expenditures	94	112
Assets	35,086	42,568
Operating Segments [Member] \| International Services
Segment Reporting Information [Line Items]
Revenues	6,864	6,700
Gross profit	1,562	1,711
Operating income (loss)	299	491
Depreciation	43	46
Intangibles amortization	0	0
Restructuring expense	20
Capital expenditures	15	28
Assets	$ 16,789	$ 24,747

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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