Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 29, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 7,863	$ 6,287
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	4,021	4,065
Pension and other post-retirement plan (income) expense	(427)	1,648
Equity-based compensation	282	1,520
Restructuring charges	0	738
Prepaid pension assets	0	(2,211)
Deferred income taxes	(1,067)	0
Gain on sales of fixed assets	(3)	0
Changes in assets and liabilities:
Accounts receivable	(8,122)	(10,942)
Inventories	966	(1,231)
Other assets	(3,330)	134
Accounts payable	1,647	264
Accrued liabilities	(756)	(58)
Income taxes payable	735	860
Other liabilities	(1,398)	(591)
Pension and other post-retirement plans	(58)	0
Net cash provided by operating activities	353	483
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(2,877)	(1,192)
Proceeds from sale of assets	3	1
Payment for acquisition, net of cash acquired	(72,830)	0
Net cash used in investing activities	(75,704)	(1,191)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of long-term debt	(521,300)	(240,900)
Proceeds from borrowings of long-term debt	571,900	249,100
Purchase of treasury stock	0	(2,893)
Dividends paid	(1,303)	(1,336)
Windfall tax benefits from equity awards	696	117
Net cash provided by financing activities	49,993	4,088
Effect of exchange rate changes on cash and cash equivalents	(606)	445
Net (decrease) increase in cash and cash equivalents	(25,964)	3,825
Cash and cash equivalents at beginning of period	156,928	134,508
Cash and cash equivalents at end of period	130,964	138,333
Supplemental cash flow information:
Cash paid for interest	736	454
Cash paid for income taxes, net	$ 5,407	$ 1,608