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Costs Associated with Exit and Restructuring Activities - June 2013 Plan (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016 USD ($)	Mar. 29, 2015 USD ($)	Dec. 31, 2015 employee	Dec. 31, 2014 USD ($) employee
June 2013 Plan
Restructuring charges
Elimination of workforce \| employee			350
Planned Costs	$ 22,600
Actual costs incurred	27,596
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	0	$ 452
June 2013 Plan \| Cost of Goods
Restructuring charges
Planned Costs	1,800
Actual costs incurred	3,637
Total restructuring, impairment and restructuring related charges
Restructuring related charges	0	75
June 2013 Plan \| Operating Earnings
Restructuring charges
Planned Costs	20,800
Actual costs incurred	23,959
Total restructuring, impairment and restructuring related charges
Restructuring and impairment charges	0	$ 377
June 2013 Plan \| Inventory write-down \| Cost of Goods
Restructuring charges
Planned Costs	800
Actual costs incurred	1,143
June 2013 Plan \| Equipment relocation \| Cost of Goods
Restructuring charges
Planned Costs	900
Actual costs incurred	1,792
June 2013 Plan \| Other charges \| Cost of Goods
Restructuring charges
Planned Costs	100
Actual costs incurred	702
June 2013 Plan \| Workforce reduction \| Operating Earnings
Restructuring charges
Planned Costs	10,150
Actual costs incurred	9,615
June 2013 Plan \| Asset impairment charge \| Operating Earnings
Restructuring charges
Planned Costs	3,000
Actual costs incurred	4,139
June 2013 Plan \| Other charges, including pension termination costs \| Operating Earnings
Restructuring charges
Planned Costs	7,650
Actual costs incurred	$ 10,205
Amended June 2013 Plan
Restructuring charges
Planned Costs				$ 4,000
Amended June 2013 Plan \| Workforce reduction
Restructuring charges
Elimination of workforce \| employee				130
Foreign Pension Plans \| Amended June 2013 Plan \| UNITED KINGDOM
Restructuring charges
Planned Costs				$ 2,000
Foreign Pension Plans \| Amended June 2013 Plan \| Asset impairment charge
Restructuring charges
Planned Costs				$ 2,000