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USD ($)

USD ($) / shares

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margin-bottom:0pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;Net sales for the Company's products and services are as follows for the &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;years ended&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;December 31, 2010&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, 2009&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; and &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;2008&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; (in thousands):&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top: 0pt; margin-bottom: 0pt;'&gt;&lt;/p&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;margin-top:20px;"&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 212px; text-align:left;border-color:#000000;min-width:212px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 117px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:117px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;2010&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 117px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:117px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;2009&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 117px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:117px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;2008&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td colspan="3"  style="width: 236px; text-align:left;border-color:#000000;min-width:236px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Product net sales:&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 224px; text-align:left;border-color:#000000;min-width:224px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Waters instrument systems&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 772,631&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 699,014&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 767,122&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 224px; text-align:left;border-color:#000000;min-width:224px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Chemistry&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 264,368&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 243,629&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 243,855&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 224px; text-align:left;border-color:#000000;min-width:224px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;TA instrument systems&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 129,628&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 109,335&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 128,909&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 212px; text-align:left;border-color:#000000;min-width:212px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Total product sales&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 1,166,627&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 1,051,978&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 1,139,886&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 212px; text-align:left;border-color:#000000;min-width:212px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td colspan="3"  style="width: 236px; text-align:left;border-color:#000000;min-width:236px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Service net sales:&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 224px; text-align:left;border-color:#000000;min-width:224px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Waters service&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 434,352&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 408,482&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 398,409&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 224px; text-align:left;border-color:#000000;min-width:224px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;TA service&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 42,392&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 38,240&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 36,829&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 212px; text-align:left;border-color:#000000;min-width:212px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Total service sales&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 476,744&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 446,722&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 435,238&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 212px; text-align:left;border-color:#000000;min-width:212px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 18px"&gt;&lt;td colspan="3"  style="width: 236px; text-align:left;border-color:#000000;min-width:236px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Total net sales&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:double;border-bottom-width:3px;text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 1,643,371&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:double;border-bottom-width:3px;text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 1,498,700&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:double;border-bottom-width:3px;text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 1,575,124&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</NonNumbericText><NonNumericTextHeader>Net sales for the Company's products and services are as follows for the years ended December 31, 2010, 2009 and 2008 (in</NonNumericTextHeader><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios></Cell></Cells><OriginalInstanceReportColumns /><Unit>Other</Unit><ElementDataType>us-types:textBlockItemType</ElementDataType><SimpleDataType>string</SimpleDataType><ElementDefenition>This element may be used to capture the complete disclosure about entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 131
 -Paragraph 37

</ElementReferences><IsTotalLabel>false</IsTotalLabel><IsEPS>false</IsEPS><Label>Schedule of Entity-Wide Revenue from External Customers by Products and Services</Label></Row><Row><Id>4</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><Level>0</Level><ElementName>wat_ScheduleOfEntityWideRevenueFromExternalCustomersByGeographicAreaTextBlock</ElementName><ElementPrefix>wat</ElementPrefix><IsBaseElement>false</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><ShortDefinition>This element may be used to capture the complete disclosure about entity-wide revenues from external customers for each...</ShortDefinition><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsSubReportEnd>false</IsSubReportEnd><IsCalendarTitle>false</IsCalendarTitle><IsTuple>false</IsTuple><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>terselabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;p style='margin-top:0pt; margin-bottom:0pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;Geographic sales information is presented below for the years ended December 31, 2010, 2009 and 2008 (in thousands):&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top: 0pt; margin-bottom: 0pt;'&gt;&lt;/p&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;margin-top:20px;"&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 224px; text-align:left;border-color:#000000;min-width:224px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 117px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:117px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;2010&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 117px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:117px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;2009&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 117px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:117px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;2008&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td colspan="2"  style="width: 236px; text-align:left;border-color:#000000;min-width:236px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Net Sales:&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 224px; text-align:left;border-color:#000000;min-width:224px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;United States&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 499,535&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 459,541&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 476,301&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 224px; text-align:left;border-color:#000000;min-width:224px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Europe&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 494,638&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 495,646&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 545,620&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 224px; text-align:left;border-color:#000000;min-width:224px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Japan&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 187,581&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 164,120&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 151,685&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 224px; text-align:left;border-color:#000000;min-width:224px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Asia&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 353,068&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 283,224&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 291,639&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 224px; text-align:left;border-color:#000000;min-width:224px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Other&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 108,549&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 96,169&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 109,879&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 18px"&gt;&lt;td colspan="2"  style="width: 236px; text-align:left;border-color:#000000;min-width:236px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Total net sales&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 1,643,371&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 1,498,700&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 1,575,124&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</NonNumbericText><NonNumericTextHeader>Geographic sales information is presented below for the years ended December 31, 2010, 2009 and 2008 (in</NonNumericTextHeader><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios></Cell></Cells><OriginalInstanceReportColumns /><Unit>Other</Unit><ElementDataType>us-types:textBlockItemType</ElementDataType><SimpleDataType>string</SimpleDataType><ElementDefenition>This element may be used to capture the complete disclosure about entity-wide revenues from external customers for each geographic area if the information is not provided as part of the reportable operating segment information.</ElementDefenition><ElementReferences>No authoritative reference available.</ElementReferences><IsTotalLabel>false</IsTotalLabel><IsEPS>false</IsEPS><Label>Schedule of Entity-Wide Revenue from External Customers by Geographic Area</Label></Row><Row><Id>5</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><Level>0</Level><ElementName>wat_ScheduleOfEntityWideLongLivedAssetsByGeographicAreaTextBlock</ElementName><ElementPrefix>wat</ElementPrefix><IsBaseElement>false</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><ShortDefinition>This element may be used to capture the complete disclosure about entity-wide long-lived assets for each geographic area if...</ShortDefinition><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsSubReportEnd>false</IsSubReportEnd><IsCalendarTitle>false</IsCalendarTitle><IsTuple>false</IsTuple><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>terselabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;p style='margin-top:0pt; margin-bottom:0pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;Long-lived assets information at December 31, 2010 and 2009 is presented below (in thousands):&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top: 0pt; margin-bottom: 0pt;'&gt;&lt;/p&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;margin-top:20px;"&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 353px; text-align:left;border-color:#000000;min-width:353px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 117px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:117px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;2010&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 117px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:117px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;2009&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td colspan="2"  style="width: 365px; text-align:left;border-color:#000000;min-width:365px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Long-lived assets:&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:105px;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 353px; text-align:left;border-color:#000000;min-width:353px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;United States&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 171,751&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 167,449&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 353px; text-align:left;border-color:#000000;min-width:353px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Europe&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 32,548&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 34,285&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 353px; text-align:left;border-color:#000000;min-width:353px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Japan&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 1,611&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 1,590&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 353px; text-align:left;border-color:#000000;min-width:353px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Asia&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 7,865&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 6,587&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 17px"&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 353px; text-align:left;border-color:#000000;min-width:353px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Other&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 1,285&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 1,015&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 18px"&gt;&lt;td colspan="2"  style="width: 365px; text-align:left;border-color:#000000;min-width:365px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt;Total long-lived assets&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 215,060&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:center;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;"&gt;&lt;font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10pt;COLOR: #000000;"&gt; 210,926&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</NonNumbericText><NonNumericTextHeader>Long-lived assets information at December 31, 2010 and 2009 is presented below (in thousands):&amp;#160;&amp;#160;&amp;#160;2010&amp;#160;2009Long-lived</NonNumericTextHeader><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios></Cell></Cells><OriginalInstanceReportColumns /><Unit>Other</Unit><ElementDataType>us-types:textBlockItemType</ElementDataType><SimpleDataType>string</SimpleDataType><ElementDefenition>This element may be used to capture the complete disclosure about entity-wide long-lived assets for each geographic area if the information is not provided as part of the reportable operating segment information.</ElementDefenition><ElementReferences>No authoritative reference available.</ElementReferences><IsTotalLabel>false</IsTotalLabel><IsEPS>false</IsEPS><Label>Schedule of Entity-Wide Long-Lived Assets by Geographic Area</Label></Row></Rows><Footnotes /><NumberOfCols>1</NumberOfCols><NumberOfRows>4</NumberOfRows><ReportName>Business Segment Information (Tables)</ReportName><MonetaryRoundingLevel>UnKnown</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>false</HasCustomUnits><SharesShouldBeRounded>true</SharesShouldBeRounded></InstanceReport>
